Registry · RDAP Original response
https://rdap.arin.net/registry/ip/129.220.4.0/24
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "129.220.0.0",
"length": 18
},
{
"v4prefix": "129.220.64.0",
"length": 19
}
],
"endAddress": "129.220.95.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-26T07:49:43-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-05-26T10:35:16-04:00"
}
],
"handle": "UNISY-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNISY-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UNISY-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\r\nSte 100\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Unisys Hostmaster"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"hostmaster@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-443-921-0355"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-07T08:56:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-10-07T17:07:14-04:00"
}
],
"handle": "UNISY2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNISY2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UNISY2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\nSte 100\n\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UNISYS-ADMIN"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ugsiiocnetworkteamleads@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-661-0938;ext3"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-08T08:07:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-10-08T12:26:57-04:00"
}
],
"handle": "UTC2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UTC2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UTC2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\nSte 100\n\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Unisys Technical Contact"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ugsiiocnetworkteamleads@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-661-0938;ext3"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-06T15:47:23-05:00"
}
],
"handle": "UNISYS-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNISYS-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/org/UNISYS-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Unisys Corporation"
],
[
"adr",
{
"label": "801 Lakeview Drive\r\nSte 100\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-26T07:49:43-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-05-26T10:35:16-04:00"
}
],
"handle": "UNISY-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNISY-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UNISY-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\r\nSte 100\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Unisys Hostmaster"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"hostmaster@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-443-921-0355"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-10T10:18:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2009-06-03T09:24:08-04:00"
}
],
"handle": "UAC1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UAC1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UAC1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\r\nSte 100\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Unisys Abuse Contact"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"hostmaster@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-443-921-0355"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-10T10:18:39-05:00"
},
{
"eventAction": "registration",
"eventDate": "2009-06-03T09:36:09-04:00"
}
],
"handle": "UNC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UNC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "801 Lakeview Drive\r\nSte 100\nBlue Bell\nPA\n19422\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Unisys NOC Contact"
],
[
"org",
[],
"text",
"Unisys Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"hostmaster@unisys.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-443-921-0355"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-06-22T18:03:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-04-29T00:00:00-04:00"
}
],
"handle": "NET-129-220-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/129.220.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
},
{
"href": "https://whois.arin.net/rest/net/NET-129-220-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/129.220.4.0/24"
}
],
"name": "UNISYS-B",
"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/129.220.4.0/24"
}
],
"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/129.220.4.0/24"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-129-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "129.220.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}