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IPV4

199.201.245.0/24

Record found
Retrieved · 03 Nov 2026, 00:21 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/199.201.245.0/24
Record found
Record ID
NET-199-201-245-0-1
Network name
UMBC-EXT-NET
CIDR blocks
199.201.245.0/24
Network type
DIRECT ALLOCATION
Parent network
NET-199-0-0-0-0
Last changed
2026-02-09T11:45:43-05:00
Registered
1994-05-05T00:00:00-04:00
Status
active
Notices & terms 3

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.

Organizations & contacts

6
Organization / registrant
University of Maryland Baltimore County (UMBC)
UMBCU-Z
Address
1000 Hilltop Circle Baltimore MD 21250 United States
Type
org
Registration Comments
For Security Complaints Contact security@umbc.edu

Registry · rdap.arin.net

Administrative
John J. Suess
JJS41-ARIN
Address
UMBC University Computing 5401 Wilkens Avenue Baltimore MD 21228 United States
Name
Suess John J.
Type
individual
Email
jack@umbc.edu
Phone (work, voice)
+1-410-455-2582

Registry · rdap.arin.net

Routing · Technical
Mike Petry
PETRY11-ARIN
Address
1000 Hilltop Circle Engineering 125 Baltimore MD 21250 United States
Name
Petry Mike
Type
individual
Email
petry@umbc.edu
Phone (work, voice)
+1-410-455-3256

Registry · rdap.arin.net

Routing · Technical
Ray Soellner
SOELL-ARIN
Address
1000 Hilltop Circle Engineering 125 Baltimore MD 21250 United States
Name
Soellner Ray
Type
individual
Email
rays1@umbc.edu
Phone (work, voice)
+1-410-455-3256

Registry · rdap.arin.net

Technical · Abuse
Damian Doyle
DOYLE181-ARIN
Address
1000 Hilltop Circle Engineering 125 Baltimore MD 21250 United States
Name
Doyle Damian
Type
individual
Email
damian@umbc.edu
Phone (work, voice)
+1-410-455-3872
Phone (work, cell)
+1-410-935-7435
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2026-02-27

Registry · rdap.arin.net

Noc · Dns
WhoIs Technical
WHOIS10-ARIN
Address
1000 Hilltop Circle Baltimore MD 21250 United States
Organization
UMBC
Type
group
Email
rays1@umbc.edu
Phone (work, voice)
+1-410-455-3256

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.

Origin
AS11131
Source
ARIN

UMBC External Network

Routing object details
route: 199.201.245.0/24
origin: AS11131
descr: UMBC External Network
admin-c: JJS41-ARIN
tech-c: DOYLE181-ARIN
tech-c: PETRY11-ARIN
tech-c: SOELL-ARIN
mnt-by: MNT-UMBCU-Z
remarks: This object is automatically managed by ARIN
created: 2026-02-09T16:48:31Z
last-modified: 2026-02-09T16:50:27Z
source: ARIN
Registry · RDAP Original response
https://rdap.arin.net/registry/ip/199.201.245.0/24
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    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "199.201.245.0",
            "length": 24
        }
    ],
    "endAddress": "199.201.245.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-11-03T10:36:21-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2022-02-25T10:48:43-05:00"
                        }
                    ],
                    "handle": "PETRY11-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/PETRY11-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/PETRY11-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        }
                    ],
                    "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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                                "Mike Petry"
                            ],
                            [
                                "n",
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                                "text",
                                [
                                    "Petry",
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                                    "",
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                                ]
                            ],
                            [
                                "kind",
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                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "petry@umbc.edu"
                            ],
                            [
                                "tel",
                                {
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                                        "voice"
                                    ]
                                },
                                "text",
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                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-04-21T08:46:09-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2019-04-16T08:40:36-04:00"
                        }
                    ],
                    "handle": "SOELL-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/SOELL-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/SOELL-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
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                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
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                                    "label": "1000 Hilltop Circle\nEngineering 125\nBaltimore\nMD\n21250\nUnited States"
                                },
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                                    "",
                                    "",
                                    "",
                                    "",
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                                ]
                            ],
                            [
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                                "text",
                                "Ray Soellner"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Soellner",
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                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
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                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "rays1@umbc.edu"
                            ],
                            [
                                "tel",
                                {
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                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
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                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-11-29T09:47:51-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "1988-08-08T15:41:04-04:00"
                        }
                    ],
                    "handle": "JJS41-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/JJS41-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/JJS41-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
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                    ],
                    "status": [
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                    "vcardArray": [
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                            ],
                            [
                                "adr",
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                                },
                                "text",
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                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "John J. Suess"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
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                                    "John",
                                    "J.",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "jack@umbc.edu"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
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                                    ]
                                },
                                "text",
                                "+1-410-455-2582"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-02-27T12:20:19-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2014-12-05T07:53:55-05:00"
                        }
                    ],
                    "handle": "DOYLE181-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/DOYLE181-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/DOYLE181-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        }
                    ],
                    "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 2026-02-27"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
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                        "abuse"
                    ],
                    "vcardArray": [
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                                "text",
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                            ],
                            [
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                                {
                                    "label": "1000 Hilltop Circle\r\nEngineering 125\nBaltimore\nMD\n21250\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
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                            ],
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                                    "",
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                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-02-20T09:14:27-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2023-01-11T12:10:37-05:00"
                        }
                    ],
                    "handle": "WHOIS10-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/WHOIS10-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/WHOIS10-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "noc",
                        "dns"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1000 Hilltop Circle\nBaltimore\nMD\n21250\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
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                            ],
                            [
                                "org",
                                [],
                                "text",
                                "UMBC"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "rays1@umbc.edu"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
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                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2023-05-01T09:44:23-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2010-05-05T13:55:08-04:00"
                }
            ],
            "handle": "UMBCU-Z",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UMBCU-Z",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                },
                {
                    "href": "https://whois.arin.net/rest/org/UMBCU-Z",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "For Security Complaints Contact security@umbc.edu"
                    ],
                    "title": "Registration Comments"
                }
            ],
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "University of Maryland Baltimore County (UMBC)"
                    ],
                    [
                        "adr",
                        {
                            "label": "1000 Hilltop Circle\nBaltimore\nMD\n21250\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
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                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2026-02-09T11:45:43-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1994-05-05T00:00:00-04:00"
        }
    ],
    "handle": "NET-199-201-245-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/199.201.245.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-199-201-245-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/199.201.245.0/24"
        }
    ],
    "name": "UMBC-EXT-NET",
    "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/199.201.245.0/24"
                }
            ],
            "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/199.201.245.0/24"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-199-0-0-0-0",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "startAddress": "199.201.245.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}