Registry · RDAP Original response
https://rdap.arin.net/registry/ip/161.58.255.255
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "161.58.0.0",
"length": 16
}
],
"endAddress": "161.58.255.255",
"entities": [
{
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-03T12:35:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-12-02T11:16:33-05:00"
}
],
"handle": "NAAC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NAAC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/poc/NAAC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8300 E Maplewood Ave.\nSuite 400\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NTT America Abuse Contact"
],
[
"org",
[],
"text",
"NTT DATA"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@ntt.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-688-6625"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-13T13:49:02-04:00"
},
{
"eventAction": "registration",
"eventDate": "2005-12-02T11:16:39-05:00"
}
],
"handle": "NASC-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NASC-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/poc/NASC-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8300 E Maplewood Ave.\nSuite 400\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NTT America Support Contact"
],
[
"org",
[],
"text",
"NTT DATA"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ce-support@gin.ntt.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-688-6625"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-30T10:20:56-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-12-02T11:16:27-05:00"
}
],
"handle": "VIPAR-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VIPAR-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/poc/VIPAR-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8300 E Maplewood Ave.\nSuite 400\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"VIPAR"
],
[
"org",
[],
"text",
"NTT DATA"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ipr@gin.ntt.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-688-6625"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-08T09:53:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-09-05T19:36:06-04:00"
}
],
"handle": "PEERI-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PEERI-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/poc/PEERI-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "8300 E Maplewood Ave.\nSuite 400\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Peering"
],
[
"org",
[],
"text",
"NTT Ltd."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"peering@ntt.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-688-6625"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-05T08:01:48-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-02-06T12:21:20-05:00"
}
],
"handle": "CANDE70-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CANDE70-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/poc/CANDE70-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "101 Park Ave.\n41st. floor\nNew York\nNY\n10178\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Massimo Candela"
],
[
"n",
[],
"text",
[
"Candela",
"Massimo",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"massimo@ntt.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-915-1366"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-03-04T14:28:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-12-08T12:04:23-05:00"
}
],
"handle": "NTTAM-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NTTAM-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/org/NTTAM-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"NTT America, Inc."
],
[
"adr",
{
"label": "15809 Bear Creek Pkwy\nSuite 320\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-22T18:29:13-05:00"
},
{
"eventAction": "registration",
"eventDate": "2026-01-22T18:29:13-05:00"
}
],
"handle": "C11485173",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/C11485173",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/customer/C11485173",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"RCN"
],
[
"adr",
{
"label": "1990 North Stemmons Freeway\nDallas\nTX\n75207\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-22T18:29:13-05:00"
},
{
"eventAction": "registration",
"eventDate": "2026-01-22T18:29:13-05:00"
}
],
"handle": "NET-161-58-0-0-2",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/161.58.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://whois.arin.net/rest/net/NET-161-58-0-0-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
},
{
"href": "https://rdap.arin.net/registry/ip/161.58.0.0/16",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/161.58.255.255"
}
],
"name": "RCN-161-58",
"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/161.58.255.255"
}
],
"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/161.58.255.255"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-161-58-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "161.58.0.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
}