Adjacent networks
AS12271 TWC-12271-NYC
Residential ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS12271 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS7843 | Charter Communications Inc | Residential | IPv4 IPv6 | 10,476 |
| AS22252 | The City of New York | Unclassified | IPv4 | 250 |
| AS36100 | MTC Broadband, Inc. | Unclassified | IPv4 | 232 |
| AS18564 | St. John's University, New York | Unclassified | IPv4 | 231 |
| AS19796 | Shubert Organization, Inc. | Unclassified | IPv4 | 185 |
| AS393753 | The Brooklyn Hospital Center | Unclassified | IPv4 | 180 |
| AS54226 | SUNY College of Optometry | Unclassified | IPv4 | 177 |
| AS18694 | Sappi Fine Paper North America | Unclassified | IPv4 | 128 |
| AS395095 | Orange Regional Medical Center | Unclassified | IPv4 | 124 |
| AS14478 | Recurse Center | Unclassified | IPv4 IPv6 | 96 |
| AS54113 | Fastly, Inc. | Hosting | IPv4 IPv6 | 96 |
| AS22303 | State University of New York at New Paltz | Unclassified | IPv4 IPv6 | 78 |
| AS20252 | Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University | Unclassified | IPv4 | 68 |
| AS16770 | Astoria Generating Company, L.P. | Unclassified | IPv4 | 62 |
| AS25816 | Touro College | Unclassified | IPv4 | 62 |
| AS27185 | Danbury Hospital - ITG | Unclassified | IPv4 | 62 |
| AS32730 | LG CNS America Inc. | Unclassified | IPv4 | 62 |
| AS46765 | Liberum Capital Inc. | Unclassified | IPv4 | 62 |
| AS55123 | Brilliant Jewelers/MJJ Inc. | Unclassified | IPv4 | 62 |
| AS401827 | UNFCU | Unclassified | IPv4 | 62 |
| AS402355 | Visentry | Unclassified | IPv4 | 62 |
| AS402494 | Bartlett | Unclassified | IPv4 | 62 |
| AS14465 | HITN | Unclassified | IPv4 | 61 |
| AS23325 | Magnitude Capital, LLC | Unclassified | IPv4 | 61 |
| AS395060 | Macmillan Publishers Inc | Unclassified | IPv4 | 61 |
| AS19794 | The Cementworks LLC | Unclassified | IPv4 | 59 |
| AS6292 | MTAPD | Unclassified | IPv4 IPv6 | 48 |
| AS397595 | MTAPD | Unclassified | IPv4 IPv6 | 48 |
| AS40170 | Intermetro Communications, Inc. | Unclassified | IPv4 | 35 |
| AS393562 | Mobilitie, LLC | Unclassified | IPv6 | 34 |
| AS25669 | MARKERTEK VIDEO SUPPLY | Unclassified | IPv4 | 33 |
| AS13975 | NYCPM | Unclassified | IPv4 | 32 |
| AS33010 | The Interchurch Center | Unclassified | IPv4 | 32 |
| AS62566 | Starbucks Coffee Company | Unclassified | IPv4 | 32 |
| AS393569 | 9/11 MEMORIAL | Unclassified | IPv4 | 32 |
| AS25891 | School Of Visual Arts, Inc. | Unclassified | IPv4 | 31 |
| AS14460 | Horizon Media, Inc. | Unclassified | IPv4 | 30 |
| AS23010 | Fried, Frank, Harris, Shriver & Jacobson LLP | Unclassified | IPv4 | 30 |
| AS26738 | Deerfield Partners, L.P. | Unclassified | IPv4 | 30 |
| AS33428 | The New-York Historical Society | Unclassified | IPv4 | 30 |
| AS53693 | Ralph Appelbaum Associates, Inc. | Unclassified | IPv4 | 29 |
| AS400392 | Empire Resorts, Inc. | Unclassified | IPv4 | 29 |
| AS5091 | Stripe, Inc. | Unclassified | IPv4 | 28 |
| AS30012 | Universal Music Group, INC. | Unclassified | IPv4 | 28 |
| AS395359 | InTouch Health | Unclassified | IPv4 | 28 |
| AS400508 | The Juilliard School | Unclassified | IPv4 | 23 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 | 22 |
| AS40362 | Chapin School | Unclassified | IPv4 | 22 |
| AS23097 | COHEN & STEERS CAPITAL MGMT., INC. | Unclassified | IPv4 | 20 |
| AS30339 | Davis & Gilbert LLP | Unclassified | IPv4 | 6 |
Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.
Derived from routing tables collected at 2026-10-25 12:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.