Registry · RDAP Original response
https://rdap.arin.net/registry/ip/198.51.44.77
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "198.51.44.0",
"length": 23
}
],
"endAddress": "198.51.45.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-23T00:40:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-09-07T15:24:06-04:00"
}
],
"handle": "RAIN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/RAIN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
},
{
"href": "https://whois.arin.net/rest/poc/RAIN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3039 Cornwallis Road\nResearch Triangle Park\nNC\n27709-2195\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Registrar Authority, Internet numbers"
],
[
"org",
[],
"text",
"IBM"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"ipreg@us.ibm.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-800-426-7378"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1992-02-08T00:00:00-05:00"
}
],
"handle": "IBM-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IBM-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
},
{
"href": "https://whois.arin.net/rest/org/IBM-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IBM"
],
[
"adr",
{
"label": "3039 Cornwallis Road\nResearch Triangle Park\nNC\n27709-2195\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-29T10:41:01-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-24T12:07:39-04:00"
}
],
"handle": "NSONE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NSONE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
},
{
"href": "https://whois.arin.net/rest/poc/NSONE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"IBM-NSONE"
],
"title": "Registration Comments"
}
],
"roles": [
"noc",
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "55 Broad St\n19th Fl\nNew York\nNY\n10004\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"NSONE-TECH"
],
[
"org",
[],
"text",
"IBM- NSONE Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"techops@nsone.net"
],
[
"email",
[],
"text",
"ipreg@us.ibm.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-480-932-5972;ext"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-25T08:29:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-08-07T19:04:47-04:00"
}
],
"handle": "NET-198-51-44-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/198.51.44.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
},
{
"href": "https://whois.arin.net/rest/net/NET-198-51-44-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/198.51.44.77"
}
],
"name": "NSONE-DNS",
"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/198.51.44.77"
}
],
"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/198.51.44.77"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-198-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "198.51.44.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}