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 Sun, 06 Sep 2026 12:47:37 GMT, it announces 119 routed IP prefixes and peers with 50 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS12271 announces 119 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
50 distinct peers via BGP. The first 50 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS13975 | NYCPM - NYCPM | US |
| AS14460 | HORIZON - Horizon Media, Inc. | US |
| AS14465 | HITN-AS-1 - HITN | US |
| AS14478 | RECURSE-CENTER - Recurse Center | US |
| AS16770 | ASTGEN - Astoria Generating Company, L.P. | US |
| AS18564 | SJU149068 - St. John's University, New York | US |
| AS18694 | SDWARREN - Sappi Fine Paper North America | US |
| AS19794 | CEMENTWORKS - The Cementworks LLC | US |
| AS19796 | SHUBERT - Shubert Organization, Inc. | US |
| AS20252 | JSIWMC - Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University | US |
| AS22252 | AS22252 - The City of New York | US |
| AS22303 | NEWPALTZEDU - State University of New York at New Paltz | US |
| AS23097 | COHEN-STEERS - COHEN & STEERS CAPITAL MGMT., INC. | US |
| AS23325 | MCL-ASN - Magnitude Capital, LLC | US |
| AS25669 | TOWERPRODUCTS - MARKERTEK VIDEO SUPPLY | US |
| AS25816 | TOURO - Touro College | US |
| AS25891 | SVA-ANS - School Of Visual Arts, Inc. | US |
| AS26738 | DEERFIELD - Deerfield Partners, L.P. | US |
| AS27185 | DHS-INTERNET - Danbury Hospital - ITG | US |
| AS30012 | ASN-UNIVERSAL-MUSIC-GROUP-INC - Universal Music Group, INC. | US |
| AS30339 | DGLAW - Davis & Gilbert LLP | US |
| AS31869 | LL-BEAN - LL Bean | US |
| AS32730 | NAHQPU - LG CNS America Inc. | US |
| AS33010 | INTERCHURCH - The Interchurch Center | US |
| AS33428 | NHS-39AS - The New-York Historical Society | US |
| AS36100 | MTC-BROADBAND - MTC Broadband, Inc. | US |
| AS393562 | MOB-ASN - Mobilitie, LLC | US |
| AS393569 | 9-11-MEMORIAL - 9/11 MEMORIAL | US |
| AS393753 | AS393753 - The Brooklyn Hospital Center | US |
| AS395060 | MACMILLAN-PUBLISHERS - Macmillan Publishers Inc | US |
| AS395095 | GARNET-HEALTH - Orange Regional Medical Center | US |
| AS395359 | ITH-AS-1 - InTouch Health | US |
| AS397352 | MEDISYS-36 - Medisys Health Network, Inc. | US |
| AS397595 | MTAPD-LIC - MTAPD | US |
| AS400392 | EMPIRE-1 - Empire Resorts, Inc. | US |
| AS400508 | JS-ASN-01 - The Juilliard School | US |
| AS40170 | MTR0-01 - Intermetro Communications, Inc. | US |
| AS401827 | UNITED NATIONS FEDERAL CREDIT UNION - UNFCU | US |
| AS402355 | VISENTRY-NET - Visentry | US |
| AS402494 | BARTLETTDAIRY-JFK-SDWAN - Bartlett | US |
| AS40362 | CHAPIN-AS - Chapin School | US |
| AS46765 | ASN1 - Liberum Capital Inc. | US |
| AS5091 | STRIPE - Stripe, Inc. | US |
| AS53693 | RAA-NYC-NET - Ralph Appelbaum Associates, Inc. | US |
| AS54113 | FASTLY - Fastly, Inc. | US |
| AS54226 | SUNY-OPTOMETRY - SUNY College of Optometry | US |
| AS55123 | 37589 - Brilliant Jewelers/MJJ Inc. | US |
| AS6292 | MTAPD-GB - MTAPD | US |
| AS6453 | AS6453 - TATA COMMUNICATIONS (AMERICA) INC | US |
| AS7843 | TWC-7843-BB - Charter Communications Inc | US |
Blast radius
Count of dependent hostnames if AS12271 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
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.