Registry intelligence
Retrieve the registry allocation record associated with an IPv6 address, including network ownership and registration data.
Cached registry record
This record is a cached response from an internet number registry. It can identify the address allocation or network, but it does not identify an individual device or user.
IPv6 address
2600:1900:0:2a04::800
Record source
rdap
Cached at
2026-08-28 20:33:33 UTC
Cache status
Available for direct result URLs
What WHOIS can tell you
Important limits
A registry record describes an address allocation. It can be incomplete, may represent a provider rather than an end customer, and may change as networks are reassigned. Use it alongside routing and network evidence when investigating an address.
Raw registry response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2600:1900::",
"length": 28
}
],
"endAddress": "2600:190f:ffff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-04-09T11:46:04-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-30T00:36:28-04:00"
}
],
"handle": "GCABU-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GCABU-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
},
{
"href": "https://whois.arin.net/rest/poc/GCABU-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
}
],
"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 2022-04-09"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc",
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"GC Abuse"
],
[
"org",
[],
"text",
"Google LLC (Google Apps.)"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"google-cloud-compliance@google.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-253-0000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-10T07:10:31-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-11-30T13:54:08-05:00"
}
],
"handle": "ZG39-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZG39-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
},
{
"href": "https://whois.arin.net/rest/poc/ZG39-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Google LLC"
],
[
"org",
[],
"text",
"Google LLC"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"arin-contact@google.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-253-0000"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2019-11-01T05:34:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2006-09-29T16:40:11-04:00"
}
],
"handle": "GOOGL-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GOOGL-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
},
{
"href": "https://whois.arin.net/rest/org/GOOGL-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"*** The IP addresses under this Org-ID are in use by Google Cloud customers *** \r",
"\r",
"Direct all copyright and legal complaints to \r",
"https://support.google.com/legal/go/report\r",
"\r",
"Direct all spam and abuse complaints to \r",
"https://support.google.com/code/go/gce_abuse_report\r",
"\r",
"For fastest response, use the relevant forms above.\r",
"\r",
"Complaints can also be sent to the GC Abuse desk \r",
"(google-cloud-compliance@google.com) \r",
"but may have longer turnaround times.\r",
"\r",
"Complaints sent to any other POC will be ignored."
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Google LLC"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2015-09-21T20:48:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2014-05-28T11:29:08-04:00"
}
],
"handle": "NET6-2600-1900-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2600:1900::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2600-1900-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2600:1900:0:2a04::800"
}
],
"name": "GOOGLE-CLOUD",
"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/2600:1900:0:2a04::800"
}
],
"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/2600:1900:0:2a04::800"
}
],
"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": [
"** The IP addresses under this netblock are in use by Google Cloud customers ** \r",
"\r",
"Direct all copyright and legal complaints to \r",
"https://support.google.com/legal/go/report\r",
"\r",
"Direct all spam and abuse complaints to \r",
"https://support.google.com/code/go/gce_abuse_report\r",
"\r",
"For fastest response, use the relevant forms above.\r",
"\r",
"Complaints can also be sent to the GC Abuse desk \r",
"(google-cloud-compliance@google.com) \r",
"but may have longer turnaround times.\r",
"\r",
"Complaints sent to any other POC will be ignored."
],
"title": "Registration Comments"
}
],
"startAddress": "2600:1900::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}Available registry data
Open recent cached IPv6 registry records without creating another upstream WHOIS request.