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
2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2
Record source
rdap
Cached at
2026-09-03 03:53:00 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": "2001:19F0:AC01::",
"length": 48
}
],
"endAddress": "2001:19f0:ac01:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-10-26T16:46:14-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-05T16:00:24-05:00"
}
],
"handle": "VULTR-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VULTR-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
},
{
"href": "https://whois.arin.net/rest/poc/VULTR-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "319 Clematis St. Suite 900\nWest Palm Beach\nFL\n33401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Vultr Abuse"
],
[
"org",
[],
"text",
"Vultr.com"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@vultr.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-973-849-0500"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-03T14:22:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-12-08T10:47:35-05:00"
}
],
"handle": "LYNCH267-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LYNCH267-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
},
{
"href": "https://whois.arin.net/rest/poc/LYNCH267-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "319 Clematis St.\nSuite 900\nWest Palm Beach\nFL\n33401\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Tomas Lynch"
],
[
"n",
[],
"text",
[
"Lynch",
"Tomas",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"tlynch@vultr.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-973-849-0500;ext725"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-04-04T17:34:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-05T16:10:46-05:00"
}
],
"handle": "VHL-58",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/VHL-58",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
},
{
"href": "https://whois.arin.net/rest/org/VHL-58",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Vultr Holdings, LLC"
],
[
"adr",
{
"label": "55 South Market Street, Suite 230\n\nSan Jose\nCA\n95113\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2016-09-09T12:10:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-09-09T12:10:29-04:00"
}
],
"handle": "NET6-2001-19F0-AC01-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2001:19f0:ac01::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2001-19F0-AC01-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
},
{
"href": "https://rdap.arin.net/registry/ip/2001:19f0::/32",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"name": "NET-2001-19F0-AC01-48",
"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/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"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/2001:19f0:ac01:1ad7:5400:6ff:fe72:b8f2"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2001-19F0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2001:19f0:ac01::",
"status": [
"active"
],
"type": "ASSIGNMENT"
}Available registry data
Open recent cached IPv6 registry records without creating another upstream WHOIS request.