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IPV4

149.28.6.0/24

Record found
Retrieved · 22 Sep 2026, 10:28 UTC1 sourceView JSON
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01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/149.28.6.0/24
Record found
Record ID
NET-149-28-0-0-1
Network name
APS2
Address range
149.28.0.0149.28.7.255
CIDR blocks
149.28.0.0/21
Network type
DIRECT ALLOCATION
Parent network
NET-149-0-0-0-0
Last changed
2025-09-19T16:04:27-04:00
Registered
1992-01-28T00:00:00-05:00
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-----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-----END CERTIFICATE-----

Organizations & contacts

2
Organization / registrant
The American Physical Society Incorporated
APS-8
Address
One Physics Ellipse College Park MD 20740 United States
Type
org

Registry · rdap.arin.net

Abuse · Administrative · Noc · Technical
APS Systems Administration
ASA153-ARIN
Address
100 Motor Parkway, Suite 110 Hauppauge NY 11788 United States
Organization
American Physical Society
Type
group
Email
doyle@aps.org
Email
sysadmin@aps.org
Phone (work, voice)
+1-631-591-4208

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
AS14618
Source
ARIN

The American Physical Society Incorporated

Routing object details
route: 149.28.0.0/21
origin: AS14618
descr: The American Physical Society Incorporated
admin-c: ASA153-ARIN
tech-c: ASA153-ARIN
mnt-by: MNT-APS-8
remarks: This object is automatically managed by ARIN
created: 2025-10-09T00:54:46Z
last-modified: 2025-10-09T00:54:46Z
source: ARIN
Origin
AS16509
Source
ARIN

The American Physical Society Incorporated

Routing object details
route: 149.28.0.0/21
origin: AS16509
descr: The American Physical Society Incorporated
admin-c: ASA153-ARIN
tech-c: ASA153-ARIN
mnt-by: MNT-APS-8
remarks: This object is automatically managed by ARIN
created: 2025-10-09T00:55:03Z
last-modified: 2025-10-09T00:55:03Z
source: ARIN
Registry · RDAP Original response
https://rdap.arin.net/registry/ip/149.28.6.0/24
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "149.28.0.0",
            "length": 21
        }
    ],
    "endAddress": "149.28.7.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-18T16:22:41-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2015-05-13T11:22:27-04:00"
                        }
                    ],
                    "handle": "ASA153-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ASA153-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ASA153-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "administrative",
                        "noc",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "100 Motor Parkway, Suite 110\nHauppauge\nNY\n11788\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
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                                "text",
                                "APS Systems Administration"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "American Physical Society"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "doyle@aps.org"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "sysadmin@aps.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-631-591-4208"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2020-10-13T14:18:06-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1992-01-28T00:00:00-05:00"
                }
            ],
            "handle": "APS-8",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/APS-8",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                },
                {
                    "href": "https://whois.arin.net/rest/org/APS-8",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "The American Physical Society Incorporated"
                    ],
                    [
                        "adr",
                        {
                            "label": "One Physics Ellipse\nCollege Park\nMD\n20740\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-09-18T16:22:41-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2015-05-13T11:22:27-04:00"
                }
            ],
            "handle": "ASA153-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/ASA153-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/ASA153-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "abuse",
                "noc",
                "technical"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "100 Motor Parkway, Suite 110\nHauppauge\nNY\n11788\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "APS Systems Administration"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "American Physical Society"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "doyle@aps.org"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "sysadmin@aps.org"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-631-591-4208"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2025-09-19T16:04:27-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1992-01-28T00:00:00-05:00"
        }
    ],
    "handle": "NET-149-28-0-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/149.28.0.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-149-28-0-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/149.28.6.0/24"
        }
    ],
    "name": "APS2",
    "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/149.28.6.0/24"
                }
            ],
            "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/149.28.6.0/24"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-149-0-0-0-0",
    "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": "149.28.0.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}