Registry · RDAP Original response
https://rdap.arin.net/registry/ip/192.91.253.0
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "192.91.253.0",
"length": 24
}
],
"endAddress": "192.91.253.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-11T12:55:42-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-06-24T16:18:50-04:00"
}
],
"handle": "HOSTM2224-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HOSTM2224-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
},
{
"href": "https://whois.arin.net/rest/poc/HOSTM2224-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1845 East Northgate Drive\nIrving\nTX\n75062-4736\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"hostmaster"
],
[
"org",
[],
"text",
"University of Dallas"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"support@udallas.edu"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-972-721-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-11T11:55:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-05-02T09:32:43-04:00"
}
],
"handle": "BROWN2931-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BROWN2931-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
},
{
"href": "https://whois.arin.net/rest/poc/BROWN2931-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc",
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1845 E. Northgate Dr.\nIrving\nTX\n75062\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Josh Brown"
],
[
"n",
[],
"text",
[
"Brown",
"Josh",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"jpbrown@udallas.edu"
],
[
"email",
[],
"text",
"sokazeem@udallas.edu"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-972-721-5064"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-12T15:23:02-04:00"
},
{
"eventAction": "registration",
"eventDate": "2008-10-23T11:18:06-04:00"
}
],
"handle": "UNIVER-159-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-159-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-159-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of Dallas"
],
[
"adr",
{
"label": "University of Dallas\r\n1845 E. Northgate Drive\nIrving\nTX\n75062\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-11T11:55:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-05-02T09:32:43-04:00"
}
],
"handle": "BROWN2931-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BROWN2931-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
},
{
"href": "https://whois.arin.net/rest/poc/BROWN2931-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1845 E. Northgate Dr.\nIrving\nTX\n75062\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Josh Brown"
],
[
"n",
[],
"text",
[
"Brown",
"Josh",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"jpbrown@udallas.edu"
],
[
"email",
[],
"text",
"sokazeem@udallas.edu"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-972-721-5064"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-08-17T10:44:08-04:00"
},
{
"eventAction": "registration",
"eventDate": "1991-01-21T00:00:00-05:00"
}
],
"handle": "NET-192-91-253-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/192.91.253.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-192-91-253-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/192.91.253.0"
}
],
"name": "UDALLAS",
"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/192.91.253.0"
}
],
"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/192.91.253.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-192-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"UNIVERSITY OF DALLAS"
],
"title": "Registration Comments"
}
],
"startAddress": "192.91.253.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}