Registry · RDAP Original response
https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2607:6BC0::",
"length": 32
}
],
"endAddress": "2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-18T02:54:11-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-07-31T16:45:12-04:00"
}
],
"handle": "ANTHR5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ANTHR5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
},
{
"href": "https://whois.arin.net/rest/poc/ANTHR5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"routing",
"noc",
"dns",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "548 Market St.\nPMB 90375\nSan Francisco\nCA\n94104-5401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Anthropic"
],
[
"org",
[],
"text",
"Anthropic, PBC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"arin@anthropic.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-415-236-0599"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-08-22T17:10:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-07-31T16:51:11-04:00"
}
],
"handle": "AP-2440",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AP-2440",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
},
{
"href": "https://whois.arin.net/rest/org/AP-2440",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Anthropic, PBC"
],
[
"adr",
{
"label": "548 Market St.\nPMB 90375\nSan Francisco\nCA\n94104-5401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-08T17:43:35-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-09-14T18:25:37-04:00"
}
],
"handle": "NET6-2607-6BC0-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2607:6bc0::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2607-6BC0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
}
],
"name": "ANTHROPIC-V6",
"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/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
}
],
"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/2607:6bc0:ffff:ffff:ffff:ffff:ffff:ffff"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2600-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
],
"title": "Registration Comments"
}
],
"startAddress": "2607:6bc0::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}