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
2603:6081:6f0:9e10:2954:b3e6:b441:a60b
Record source
rdap
Cached at
2026-09-18 11:14:58 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": "2603:6000::",
"length": 24
}
],
"endAddress": "2603:60ff:ffff:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-03T08:17:40-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-09-10T11:10:50-04:00"
}
],
"handle": "IPADD1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPADD1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
},
{
"href": "https://whois.arin.net/rest/poc/IPADD1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"IP Addressing is used for corporate IP allocation and administration, we are unable to provide or reply to inquires regarding specific IP address lookups or subscriber information. ",
"",
"Law Enforcement Officials please visit: https://www.spectrum.com/policies/lea for assistance on subpoena, identification, and escalations. This information is for Law Enforcement officials only."
],
"title": "Registration Comments"
}
],
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "6175 South Willow Drive\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IPAddressing"
],
[
"org",
[],
"text",
"Charter Communications"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"PublicIPAddressing@charter.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-866-248-7662"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-13T10:17:22-05:00"
},
{
"eventAction": "registration",
"eventDate": "2002-08-30T12:51:43-04:00"
}
],
"handle": "ABUSE19-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE19-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"",
" All reports of general abuse issues originating from Charter owned IP space should be reported to abuse@charter.net. General abuse issues can be but not limited to spam, hacking, malware, and other abuse related issues.",
"",
" Additional information can be found at : https://www.spectrum.net/support/general/reporting-internet-abuse",
"",
" The information provided is to resolve network abuse and related issues only, all other inquiries will not be supported."
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "P.O. Box 4987\nGreenwood Village\nCO\n80155\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Abuse"
],
[
"org",
[],
"text",
"Charter Communications"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@charter.net"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-777-2263"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-09-14T12:21:55-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-10-10T11:22:33-04:00"
}
],
"handle": "CC-3517",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CC-3517",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
},
{
"href": "https://whois.arin.net/rest/org/CC-3517",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Legacy Time Warner Cable IP Assets"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Charter Communications Inc"
],
[
"adr",
{
"label": "6175 S. Willow Dr\nGreenwood Village\nCO\n80111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2016-12-02T15:24:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "2016-12-02T15:24:21-05:00"
}
],
"handle": "NET6-2603-6000-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2603:6000::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2603-6000-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"name": "RRMA-V6-MIDWEST-NC",
"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/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"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/2603:6081:6f0:9e10:2954:b3e6:b441:a60b"
}
],
"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"
],
"startAddress": "2603:6000::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}Available registry data
Open recent cached IPv6 registry records without creating another upstream WHOIS request.