Whois & RDAP Lookup
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RDAPHandleAS20001
NameTWC-20001-PACWEST
HolderCharter Communications Inc
Registered2001-03-13 05:00 UTC
Updated2018-11-27 16:51 UTC
RegistrantCharter Communications Inc
Address6175 S. Willow Dr, Greenwood Village, CO, 80111, United States
Admin ContactIPAddressing
Email[email protected]
Phone+1-866-248-7662
Address6175 South Willow Drive, Greenwood Village, CO, 80111, United States
Tech ContactIPAddressing
Email[email protected]
Phone+1-866-248-7662
Address6175 South Willow Drive, Greenwood Village, CO, 80111, United States
Abuse Contact[email protected]
Abuse Phone+1-877-777-2263
Statusactive
Registry RDAPhttps://rdap.arin.net
Raw WHOIS response
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # ASNumber: 20001 ASName: TWC-20001-PACWEST ASHandle: AS20001 RegDate: 2001-03-13 Updated: 2018-11-27 Ref: https://rdap.arin.net/registry/autnum/20001 OrgName: Charter Communications Inc OrgId: CC-3517 Address: 6175 S. Willow Dr City: Greenwood Village StateProv: CO PostalCode: 80111 Country: US RegDate: 2018-10-10 Updated: 2022-09-14 Comment: Legacy Time Warner Cable IP Assets Ref: https://rdap.arin.net/registry/entity/CC-3517 OrgTechHandle: IPADD1-ARIN OrgTechName: IPAddressing OrgTechPhone: +1-866-248-7662 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IPADD1-ARIN OrgAbuseHandle: ABUSE19-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-877-777-2263 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE19-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # % Query time: 413 msec % WHEN: Wed Jul 29 01:59:22 UTC 2026
Raw RDAP JSON (registry) https://rdap.arin.net
{
"endAutnum": 20001,
"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/autnum/20001"
},
{
"href": "https://whois.arin.net/rest/poc/IPADD1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/20001"
}
],
"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",
[
"",
"",
"",
"",
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""
]
],
[
"fn",
{},
"text",
"IPAddressing"
],
[
"org",
{},
"text",
"IPAddressing"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"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/autnum/20001"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/20001"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"",
" All reports of general abuse issues originating from Charter owned IP space should be reported to [email protected]. 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",
"Abuse"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"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/autnum/20001"
},
{
"href": "https://whois.arin.net/rest/org/CC-3517",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/20001"
}
],
"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": "2018-11-27T11:51:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2001-03-13T00:00:00-05:00"
}
],
"handle": "AS20001",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/20001",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/20001"
},
{
"href": "https://whois.arin.net/rest/asn/AS20001",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/20001"
}
],
"name": "TWC-20001-PACWEST",
"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/autnum/20001"
}
],
"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/autnum/20001"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 20001,
"status": [
"active"
]
}Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.