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IPV4

206.41.57.0

Record found
Retrieved · 12 Nov 2026, 14:35 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/206.41.57.0
Record found
Record ID
NET-206-41-57-0-1
Network name
GH-AWSCOM
Address range
206.41.57.0 — 206.41.57.255
CIDR blocks
206.41.57.0/24
Network type
ASSIGNMENT
Parent network
NET-206-41-48-0-1
Last changed
2025-02-10T10:12:10-05:00
Registered
2024-08-07T06:56:56-04:00
Status
active
Notices & terms 4

Terms of Service

By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use https://www.arin.net/resources/registry/whois/tou/

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.arin.net/resources/registry/whois/inaccuracy_reporting/

Copyright Notice

Copyright 1997-2026, American Registry for Internet Numbers, Ltd.

Registration Comments

-----BEGIN CERTIFICATE-----MIIDUzCCAjugAwIBAgIUb3EeUYcCnbWlpHAhx7w5ASOvz2kwDQYJKoZIhvcNAQELBQAwOTELMAkGA1UEBhMCVVMxFTATBgNVBAcMDERlZmF1bHQgQ2l0eTETMBEGA1UECgwKR3VpZGVob3VzZTAeFw0yNTAyMTAxNTExMDRaFw0yNjAyMTAxNTExMDRaMDkxCzAJBgNVBAYTAlVTMRUwEwYDVQQHDAxEZWZhdWx0IENpdHkxEzARBgNVBAoMCkd1aWRlaG91c2UwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCsexHMLMy7OB/zz3eYBHycPBWLlSK6oOi7VPhk8m+M/fTEZG0PKOZIM5TowZinprYRYlf+bxKstD1/zSqUTPx/C7r9pbUPCtLjomwCqX9zpRdBhJQQJN/piHRKsCh4E5040KR9YBbIsqgGEhmCbcfBFzVFffxGBO/yRUKD7uI53/dW2rqNMInngkTf/W4Ub5/x2/xo6SjjyBNToFxoXb71nRYiwYcQ8OA0GtdX74hlpvPBie9uSP6vyfpGgktBRlsDDlFMlbBYjmfZiDYwpsVm0IDghEJN+5w188mGVm4vkBKZ/LWptcOAjxi2n8cvOLV1uEhwTQTnBBxC29al/CrfAgMBAAGjUzBRMB0GA1UdDgQWBBSm5t3zMWYzwBCGgW5pk44vsRzoUDAfBgNVHSMEGDAWgBSm5t3zMWYzwBCGgW5pk44vsRzoUDAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQA4o+E4hPH23kudJVP3EjY3UTnmi+20mgmaRjWorfu72Ss5nu0yxaQqiflzvJUlz8HBCtfC4Wnrn4I7ZxoywevhTBqmJ1WMP0Y/Meu6/FsLzqrDHu5vtaHuG3f3wsZc/Ew8+R1PpwaFq8DNIgraUxKN/l11NvfCNVpl23Cuxr8u949zXjve0yjnilteW0k9Y31mTQb+UkcvcagKDgalb16kdbArSO9PyGNyVFc4+ax9v+voqH6G3OkpK6kP/93pVchg5MS3r/Ibhq8CPDdgaUx6rQspRlb3HIoUGZd3KStr/+iIrDsrlQzkp6zsFVDr9W04DL+OFY5or8LMw1jY5nqY-----END CERTIFICATE-----

Organizations & contacts

6
Organization / registrant
Private Customer
C10922507
Address
Private Residence McLean VA 22102 United States
Type
org

Registry · rdap.arin.net

Organization / registrant
Guidehouse Inc.
GUIDE-26
Address
150 N Riverside Plaza, Suite 2100 Chicago IL 60606 United States
Type
org

Registry · rdap.arin.net

Administrative
Jennifer Tammen
TAMME7-ARIN
Address
1676 International Dr McClean VA 22102 United States
Name
Tammen Jennifer
Type
individual
Email
scrowell@guidehouse.com
Phone (work, voice)
+1-316-209-8468
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-08-09

Registry · rdap.arin.net

Abuse · Dns · Routing · Noc · Technical
Murali Sankar
SANKA6-ARIN
Address
150 N. Riverside Plaza Suite 3100 Chicago IL 60606 United States
Name
Sankar Murali
Type
individual
Email
murali.sankar@guidehouse.com
Phone (work, voice)
+1-770-246-9797;ext120

Registry · rdap.arin.net

Routing · Dns · Technical · Noc
Mike C
CMIKE-ARIN
Address
150 N. Riverside Plaza Suite 3100 Chicago IL 60606 United States
Name
C Mike
Type
individual
Email
mike.campbell@guidehouse.com
Phone (work, voice)
+1-678-845-7648

Registry · rdap.arin.net

Technical · Noc · Routing · Dns
Mike Campbell
CAMPB868-ARIN
Address
150 N. Riverside Plaza Suite 3100 Chicago IL 60606 United States
Name
Campbell Mike
Type
individual
Email
mike.campbell@guidehouse.com
Phone (work, voice)
+1-678-845-7648

Registry · rdap.arin.net

Route / route6 records IRR

rr.arin.net:43

BGP observations →

Exact and covering objects from ARIN. These are registered routing policies; they do not confirm a live announcement.

No matching route objects were returned by this registry. Records may exist in another IRR.

Registry · RDAP Original response
https://rdap.arin.net/registry/ip/206.41.57.0
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "206.41.57.0",
            "length": 24
        }
    ],
    "endAddress": "206.41.57.255",
    "entities": [
        {
            "entities": [
                {
                    "entities": [
                        {
                            "events": [
                                {
                                    "eventAction": "last changed",
                                    "eventDate": "2026-07-06T11:27:10-04:00"
                                },
                                {
                                    "eventAction": "registration",
                                    "eventDate": "2022-03-22T06:50:21-04:00"
                                }
                            ],
                            "handle": "SANKA6-ARIN",
                            "links": [
                                {
                                    "href": "https://rdap.arin.net/registry/entity/SANKA6-ARIN",
                                    "rel": "self",
                                    "type": "application/rdap+json",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                },
                                {
                                    "href": "https://whois.arin.net/rest/poc/SANKA6-ARIN",
                                    "rel": "alternate",
                                    "type": "application/xml",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                }
                            ],
                            "objectClassName": "entity",
                            "port43": "whois.arin.net",
                            "roles": [
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                            ],
                            "status": [
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                            ],
                            "vcardArray": [
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                                [
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                                        },
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                                        ]
                                    ],
                                    [
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                                    ],
                                    [
                                        "n",
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                                            "",
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                                        ]
                                    ],
                                    [
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                                    ],
                                    [
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                                    ],
                                    [
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                                        {
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                                        },
                                        "text",
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                                    ]
                                ]
                            ]
                        },
                        {
                            "events": [
                                {
                                    "eventAction": "last changed",
                                    "eventDate": "2026-07-06T11:38:53-04:00"
                                },
                                {
                                    "eventAction": "registration",
                                    "eventDate": "2026-07-06T11:38:53-04:00"
                                }
                            ],
                            "handle": "CMIKE-ARIN",
                            "links": [
                                {
                                    "href": "https://rdap.arin.net/registry/entity/CMIKE-ARIN",
                                    "rel": "self",
                                    "type": "application/rdap+json",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                },
                                {
                                    "href": "https://whois.arin.net/rest/poc/CMIKE-ARIN",
                                    "rel": "alternate",
                                    "type": "application/xml",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                }
                            ],
                            "objectClassName": "entity",
                            "port43": "whois.arin.net",
                            "roles": [
                                "routing",
                                "dns",
                                "technical",
                                "noc"
                            ],
                            "status": [
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                            ],
                            "vcardArray": [
                                "vcard",
                                [
                                    [
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                                    ],
                                    [
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                                        {
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                                        },
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                                            "",
                                            "",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "fn",
                                        [],
                                        "text",
                                        "Mike C"
                                    ],
                                    [
                                        "n",
                                        [],
                                        "text",
                                        [
                                            "C",
                                            "Mike",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "kind",
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                                        "text",
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                                    ],
                                    [
                                        "email",
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                                        "text",
                                        "mike.campbell@guidehouse.com"
                                    ],
                                    [
                                        "tel",
                                        {
                                            "type": [
                                                "work",
                                                "voice"
                                            ]
                                        },
                                        "text",
                                        "+1-678-845-7648"
                                    ]
                                ]
                            ]
                        },
                        {
                            "events": [
                                {
                                    "eventAction": "last changed",
                                    "eventDate": "2024-08-09T16:04:11-04:00"
                                },
                                {
                                    "eventAction": "registration",
                                    "eventDate": "2021-12-16T16:57:45-05:00"
                                }
                            ],
                            "handle": "TAMME7-ARIN",
                            "links": [
                                {
                                    "href": "https://rdap.arin.net/registry/entity/TAMME7-ARIN",
                                    "rel": "self",
                                    "type": "application/rdap+json",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                },
                                {
                                    "href": "https://whois.arin.net/rest/poc/TAMME7-ARIN",
                                    "rel": "alternate",
                                    "type": "application/xml",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                }
                            ],
                            "objectClassName": "entity",
                            "port43": "whois.arin.net",
                            "remarks": [
                                {
                                    "description": [
                                        "ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-08-09"
                                    ],
                                    "title": "Unvalidated POC"
                                }
                            ],
                            "roles": [
                                "administrative"
                            ],
                            "vcardArray": [
                                "vcard",
                                [
                                    [
                                        "version",
                                        [],
                                        "text",
                                        "4.0"
                                    ],
                                    [
                                        "adr",
                                        {
                                            "label": "1676 International Dr\nMcClean\nVA\n22102\nUnited States"
                                        },
                                        "text",
                                        [
                                            "",
                                            "",
                                            "",
                                            "",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "fn",
                                        [],
                                        "text",
                                        "Jennifer Tammen"
                                    ],
                                    [
                                        "n",
                                        [],
                                        "text",
                                        [
                                            "Tammen",
                                            "Jennifer",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "kind",
                                        [],
                                        "text",
                                        "individual"
                                    ],
                                    [
                                        "email",
                                        [],
                                        "text",
                                        "scrowell@guidehouse.com"
                                    ],
                                    [
                                        "tel",
                                        {
                                            "type": [
                                                "work",
                                                "voice"
                                            ]
                                        },
                                        "text",
                                        "+1-316-209-8468"
                                    ]
                                ]
                            ]
                        },
                        {
                            "events": [
                                {
                                    "eventAction": "last changed",
                                    "eventDate": "2026-07-08T12:49:21-04:00"
                                },
                                {
                                    "eventAction": "registration",
                                    "eventDate": "2026-07-08T12:49:21-04:00"
                                }
                            ],
                            "handle": "CAMPB868-ARIN",
                            "links": [
                                {
                                    "href": "https://rdap.arin.net/registry/entity/CAMPB868-ARIN",
                                    "rel": "self",
                                    "type": "application/rdap+json",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                },
                                {
                                    "href": "https://whois.arin.net/rest/poc/CAMPB868-ARIN",
                                    "rel": "alternate",
                                    "type": "application/xml",
                                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                                }
                            ],
                            "objectClassName": "entity",
                            "port43": "whois.arin.net",
                            "roles": [
                                "technical",
                                "noc",
                                "routing",
                                "dns"
                            ],
                            "status": [
                                "validated"
                            ],
                            "vcardArray": [
                                "vcard",
                                [
                                    [
                                        "version",
                                        [],
                                        "text",
                                        "4.0"
                                    ],
                                    [
                                        "adr",
                                        {
                                            "label": "150 N. Riverside Plaza\nSuite 3100\nChicago\nIL\n60606\nUnited States"
                                        },
                                        "text",
                                        [
                                            "",
                                            "",
                                            "",
                                            "",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "fn",
                                        [],
                                        "text",
                                        "Mike Campbell"
                                    ],
                                    [
                                        "n",
                                        [],
                                        "text",
                                        [
                                            "Campbell",
                                            "Mike",
                                            "",
                                            "",
                                            ""
                                        ]
                                    ],
                                    [
                                        "kind",
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                                        "text",
                                        "individual"
                                    ],
                                    [
                                        "email",
                                        [],
                                        "text",
                                        "mike.campbell@guidehouse.com"
                                    ],
                                    [
                                        "tel",
                                        {
                                            "type": [
                                                "work",
                                                "voice"
                                            ]
                                        },
                                        "text",
                                        "+1-678-845-7648"
                                    ]
                                ]
                            ]
                        }
                    ],
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-07-09T03:12:52-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2022-04-07T10:38:53-04:00"
                        }
                    ],
                    "handle": "GUIDE-26",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/GUIDE-26",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                        },
                        {
                            "href": "https://whois.arin.net/rest/org/GUIDE-26",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "registrant"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Guidehouse Inc."
                            ],
                            [
                                "adr",
                                {
                                    "label": "150 N Riverside Plaza, Suite 2100\nChicago\nIL\n60606\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "org"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-08-07T06:56:56-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2024-08-07T06:56:56-04:00"
                }
            ],
            "handle": "C10922507",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/C10922507",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                },
                {
                    "href": "https://whois.arin.net/rest/customer/C10922507",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Private Customer"
                    ],
                    [
                        "adr",
                        {
                            "label": "Private Residence\nMcLean\nVA\n22102\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2025-02-10T10:12:10-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2024-08-07T06:56:56-04:00"
        }
    ],
    "handle": "NET-206-41-57-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/206.41.57.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-206-41-57-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
        },
        {
            "href": "https://rdap.arin.net/registry/ip/206.41.48.0/20",
            "rel": "up",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
        }
    ],
    "name": "GH-AWSCOM",
    "notices": [
        {
            "description": [
                "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/tou/",
                    "rel": "terms-of-service",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                }
            ],
            "title": "Terms of Service"
        },
        {
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
                    "rel": "inaccuracy-report",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/206.41.57.0"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-206-41-48-0-1",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "remarks": [
        {
            "description": [
                "-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
            ],
            "title": "Registration Comments"
        }
    ],
    "startAddress": "206.41.57.0",
    "status": [
        "active"
    ],
    "type": "ASSIGNMENT"
}