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AS11351
TWC-11351-NORTHEAST - Charter Communications Inc Announcing routesAS nameTWC-11351-NORTHEAST
OrganisationCharter Communications Inc
Registry (RIR)ARIN
HandleAS11351
RangeAS11351
Registered14 Jul 1998
Last changed27 Nov 2018
Abuse contact[email protected]
130IPv4 prefixes
11IPv6 prefixes
1Upstreams
89Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS7843 | TWC-7843-BB - Charter Communications Inc | 21383 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS40069 | AISNET - ASSURED INFORMATION SECURITY, INC. | 630 |
| AS46158 | OCMBOCES - OCM BOCES | 470 |
| AS12120 | AAO-AIO - Amphenol Corp | 464 |
| AS53519 | CMHC-ASN - Central Maine Medical Family | 425 |
| AS14437 | FLEMING - C&S WHOLESALE GROCERS INC. | 422 |
| AS10250 | DATAFIVE - INet Solutions | 401 |
| AS397932 | NYSA-ASN - New York State Assembly | 398 |
| AS92 | CLARKSON-AS - Clarkson University | 396 |
| AS13588 | PAYCHEX - Paychex Inc. | 387 |
| AS19368 | THRIVE-SNS-COLO - Thrive Operations, LLC | 379 |
| AS63243 | SYNERGENT - Synergent | 377 |
| AS11440 | NETSVILLE - Netsville, Inc. | 350 |
| AS25915 | WSWHE-NET - WASHINGTON SARATOGA WARREN HAMILTON & ESSEX BOCES | 337 |
| AS22970 | MAINETECHCOLLEGESYS - Maine Technical College System | 286 |
| AS40229 | MAINEHEALTH-MAINE-MEDICAL-CENTER - MaineHealth Maine Medical Center | 282 |
IPv4 prefixes (130)
98.1.0.0/1669.204.192.0/1974.76.0.0/1476.179.0.0/1624.58.0.0/15207.251.236.0/2324.93.128.0/1974.69.0.0/1676.38.128.0/17199.120.152.0/24184.153.128.0/17167.254.207.0/24208.125.64.0/18208.105.96.0/1968.175.128.0/17207.251.232.0/2272.231.128.0/1767.242.0.0/1672.225.0.0/1866.66.0.0/1524.213.128.0/1950.75.0.0/17168.148.96.0/1969.207.0.0/1672.43.0.0/1872.45.128.0/1767.246.0.0/16184.74.0.0/17207.251.224.0/21192.188.5.0/2474.74.64.0/1824.24.0.0/1864.30.240.0/20208.125.128.0/17209.195.240.0/2424.213.184.0/2167.244.128.0/1768.172.128.0/1871.65.36.0/2276.178.192.0/1874.70.0.0/1624.25.128.0/18104.228.0.0/1524.213.192.0/1850.75.128.0/1824.39.64.0/1971.65.34.0/23154.16.42.0/2469.201.0.0/1774.74.128.0/1724.97.0.0/1676.180.0.0/1669.193.0.0/1798.4.0.0/1524.103.128.0/1824.39.160.0/1924.31.128.0/1969.204.0.0/1724.39.96.0/2168.172.192.0/2098.2.0.0/1598.13.0.0/17137.124.10.0/2472.228.0.0/1624.29.64.0/19192.67.10.0/2472.224.0.0/1667.247.64.0/19208.125.32.0/1924.105.160.0/1972.227.0.0/1724.92.32.0/1976.58.22.0/2368.172.0.0/17192.31.156.0/24108.176.64.0/18142.105.128.0/17136.223.36.0/24172.100.0.0/1567.244.32.0/19137.124.0.0/1624.92.224.0/1924.198.0.0/1666.24.0.0/16204.210.64.0/1967.255.0.0/16192.149.230.0/2476.58.20.0/2372.43.192.0/1874.65.128.0/1874.67.0.0/16150.224.246.0/2324.103.192.0/1967.240.0.0/1524.94.32.0/1974.75.0.0/1671.65.32.0/2398.10.0.0/15150.154.0.0/1624.93.0.0/19208.105.128.0/1724.169.0.0/17150.221.0.0/1869.204.128.0/1865.185.244.0/2469.200.96.0/1969.200.0.0/18198.179.96.0/19199.29.192.0/2472.226.128.0/1767.252.0.0/1547.231.32.0/1924.29.32.0/1976.37.0.0/1647.231.96.0/2074.65.0.0/1767.251.0.0/1767.247.128.0/1769.205.192.0/22167.254.206.0/2445.46.0.0/1524.30.240.0/20198.255.128.0/17108.176.192.0/1872.230.0.0/1624.39.192.0/1824.39.0.0/1872.43.64.0/1967.248.0.0/1598.0.0.0/17
IPv6 prefixes (11)
RPKI-validate all prefixes of AS11351
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Charter Communications Inc | CC-3517 | 6175 S. Willow Dr, Greenwood Village, CO, 80111, United States | |
| administrative, technical | IPAddressing | IPADD1-ARIN | [email protected], +1-866-248-7662 | 6175 South Willow Drive, Greenwood Village, CO, 80111, United States |
| abuse | Abuse | ABUSE19-ARIN | [email protected], +1-877-777-2263 | P.O. Box 4987, Greenwood Village, CO, 80155, United States |
Raw registry response
{
"endAutnum": 11351,
"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/11351"
},
{
"href": "https://whois.arin.net/rest/poc/IPADD1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11351"
}
],
"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": [
"administrative",
"technical"
],
"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",
"[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/11351"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE19-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11351"
}
],
"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",
"Charter Communications"
],
[
"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/11351"
},
{
"href": "https://whois.arin.net/rest/org/CC-3517",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11351"
}
],
"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": "2018-11-27T11:37:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-07-14T00:00:00-04:00"
}
],
"handle": "AS11351",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/11351",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/11351"
},
{
"href": "https://whois.arin.net/rest/asn/AS11351",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/11351"
}
],
"name": "TWC-11351-NORTHEAST",
"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/11351"
}
],
"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/11351"
}
],
"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": 11351,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.