Autonomous System
AS12271 — TWC-12271-NYC - Charter Communications Inc(US)
Last fetched
AS12271 is an Autonomous System operated by TWC-12271-NYC - Charter Communications Inc and registered in US. As of Thu, 21 May 2026 06:18:06 GMT, it announces 115 routed IP prefixes and peers with 52 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS12271 announces 115 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 23.246.64.0/18
- 24.29.96.0/19
- 24.29.128.0/19
- 24.30.224.0/20
- 24.39.104.0/21
- 24.39.112.0/20
- 24.39.128.0/19
- 24.90.0.0/16
- 24.97.123.0/24
- 24.97.124.0/22
- 24.97.184.0/23
- 24.97.200.0/21
- 24.102.64.0/18
- 24.103.0.0/17
- 24.103.224.0/19
- 24.104.192.0/18
- 24.105.128.0/19
- 24.136.96.0/19
- 24.161.0.0/17
- 24.164.128.0/18
- 24.168.0.0/17
- 24.168.128.0/19
- 24.193.0.0/16
- 24.213.160.0/19
- 47.230.0.0/16
Peering ecosystem
52 distinct peers via BGP. The first 52 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS5091 | STRIPE - Stripe, Inc. | US |
| AS401827 | UNITED NATIONS FEDERAL CREDIT UNION - UNFCU | US |
| AS400508 | JS-ASN-01 - The Juilliard School | US |
| AS400392 | EMPIRE-1 - Empire Resorts, Inc. | US |
| AS399601 | 601-LEXINGTON-BGP - etc.venues NYC LLC | US |
| AS397595 | MTAPD-LIC - MTAPD | US |
| AS397352 | MEDISYS-36 - Medisys Health Network, Inc. | US |
| AS395359 | ITH-AS-1 - InTouch Health | US |
| AS395095 | GARNET-HEALTH - Orange Regional Medical Center | US |
| AS395090 | GAGOSIAN-GALLERY - Gagosian Gallery, Inc | US |
| AS395060 | MACMILLAN-PUBLISHERS - Macmillan Publishers Inc | US |
| AS393753 | AS393753 - The Brooklyn Hospital Center | US |
| AS393569 | 9-11-MEMORIAL - 911 MEMORIAL | US |
| AS393562 | MOB-ASN - Mobilitie, LLC | US |
| AS62566 | STARBUCKS - Starbucks Coffee Company | US |
| AS55273 | 360-MADDISON-BGP - etc.venues NYC LLC | US |
| AS55123 | 37589 - Brilliant JewelersMJJ Inc. | US |
| AS54226 | SUNY-OPTOMETRY - SUNY College of Optometry | US |
| AS54201 | WEWORK-MANAGEMENT-LLC - We Link Networks LLC | US |
| AS54113 | FASTLY - Fastly, Inc. | US |
| AS53693 | RAA-NYC-NET - Ralph Appelbaum Associates, Inc. | US |
| AS46765 | ASN1 - Liberum Capital Inc. | US |
| AS40458 | CMIGNET - CMFG Life Insurance Company | US |
| AS40362 | CHAPIN-AS - Chapin School | US |
| AS40170 | MTR0-01 - Intermetro Communications, Inc. | US |
| AS36100 | MTC-BROADBAND - MTC Broadband, Inc. | US |
| AS33428 | NHS-39AS - The New-York Historical Society | US |
| AS33010 | INTERCHURCH - The Interchurch Center | US |
| AS32730 | NAHQPU - LG CNS America Inc. | US |
| AS31869 | LL-BEAN - LL Bean | US |
| AS30012 | ASN-UNIVERSAL-MUSIC-GROUP-INC - Universal Music Group, INC. | US |
| AS27185 | DHS-INTERNET - Danbury Hospital - ITG | US |
| AS26738 | DEERFIELD - Deerfield Partners, L.P. | US |
| AS25891 | SVA-ANS - School Of Visual Arts, Inc. | US |
| AS25816 | TOURO - Touro College | US |
| AS25669 | TOWERPRODUCTS - MARKERTEK VIDEO SUPPLY | US |
| AS23325 | MCL-ASN - Magnitude Capital, LLC | US |
| AS23097 | COHEN-STEERS - COHEN & STEERS CAPITAL MGMT., INC. | US |
| AS23010 | FFHSJ - Fried, Frank, Harris, Shriver & Jacobson LLP | US |
| AS22303 | NEWPALTZEDU - State University of New York at New Paltz | US |
| AS22252 | AS22252 - The City of New York | US |
| AS22209 | RUDYS-AS - RUDYS INFLIGHT CATERING | US |
| AS20252 | JSIWMC - Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University | US |
| AS19796 | SHUBERT - Shubert Organization, Inc. | US |
| AS19794 | CEMENTWORKS - The Cementworks LLC | US |
| AS18694 | SDWARREN - Sappi Fine Paper North America | US |
| AS18564 | SJU149068 - St. Johns University, New York | US |
| AS14478 | RECURSE-CENTER - Recurse Center | US |
| AS14465 | HITN-AS-1 - HITN | US |
| AS14460 | HORIZON - Horizon Media, Inc. | US |
| AS7843 | TWC-7843-BB - Charter Communications Inc | US |
| AS6292 | MTAPD-GB - MTAPD | US |
Blast radius
Approximate count of dependent hostnames if AS12271 disappeared from the routing table.
~21,275 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:18:06 GMT.
MOAS / hijack watch
Prefixes routed by AS12271 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS12271 is unique to AS12271 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS12271.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS12271"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.