Registry · RDAP Original response
https://rdap.arin.net/registry/ip/199.7.91.0/24
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "199.7.91.0",
"length": 24
}
],
"endAddress": "199.7.91.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-08T09:49:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2004-02-20T14:45:07-05:00"
}
],
"handle": "UARA-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UARA-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UARA-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"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 2025-07-08"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Office of Information Technology\nCollege Park\nMD\n20742\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UMD Abuse Role Account"
],
[
"org",
[],
"text",
"University of Maryland"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@umd.edu"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-405-8787"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-09-24T12:12:53-04:00"
},
{
"eventAction": "registration",
"eventDate": "1998-10-06T16:10:04-04:00"
}
],
"handle": "UM-ORG-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UM-ORG-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/UM-ORG-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Division of Information Technology\nCollege Park\nMD\n20740\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"UMD DNS Admin Role Account"
],
[
"org",
[],
"text",
"University of Maryland"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"dnsadmin@umd.edu"
],
[
"email",
[],
"text",
"dnstech@umd.edu"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-405-9955"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-06T13:46:06-05:00"
}
],
"handle": "UNIVER-262",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-262",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-262",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"University of Maryland"
],
[
"adr",
{
"label": "Office of Information Technology\nPatuxent Building\nCollege Park\nMD\n20742\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-09T14:10:29-05:00"
},
{
"eventAction": "registration",
"eventDate": "2019-03-21T11:20:51-04:00"
}
],
"handle": "MAXNO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MAXNO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/MAXNO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "5825 University Research Ct\nSuite 2500\nCollege Park\nMD\n20740\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"MAX NOC"
],
[
"org",
[],
"text",
"Mid-Atlantic Crossroads"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"noc@maxgigapop.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-314-6666"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-17T08:56:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-11-13T17:21:33-05:00"
}
],
"handle": "DDI2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DDI2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/poc/DDI2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "5825 University Research Ct\r\nSuite 2500\nCollege Park\nMD\n20740\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Dave Diller"
],
[
"n",
[],
"text",
[
"Diller",
"Dave",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"dave@maxgigapop.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-314-4155"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-04-22T10:48:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-12-07T17:33:53-05:00"
}
],
"handle": "NET-199-7-91-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/199.7.91.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
},
{
"href": "https://whois.arin.net/rest/net/NET-199-7-91-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/199.7.91.0/24"
}
],
"name": "MAX-UMD-DNS-ROOTD",
"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/199.7.91.0/24"
}
],
"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/199.7.91.0/24"
}
],
"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"
],
"remarks": [
{
"description": [
"\"D\" Root DNS Server"
],
"title": "Registration Comments"
}
],
"startAddress": "199.7.91.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}