Adjacent networks
AS4004 Cogent Communications, LLC
Unclassified ARIN NSP
Adjacency
Adjacent networks
Every AS seen directly next to AS4004 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS51964 | ORANGE BUSINESS SERVICES U.S. Inc. | Unclassified | IPv4 IPv6 | 1,289 |
| AS5511 | Orange S.A. | Transit | IPv4 IPv6 | 696 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 211 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 52 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 31 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 | 30 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 23 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 21 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 20 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 20 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 19 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 18 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 17 |
| AS29075 | IELO-LIAZO SERVICES SAS | Unclassified | IPv4 IPv6 | 17 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 17 |
| AS3741 | Dimension Data | Unclassified | IPv4 | 15 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 15 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 14 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 14 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 13 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 10 |
| AS25091 | IP-Max SA | Unclassified | IPv6 | 5 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 5 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 | 3 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 | 3 |
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 2026-10-23 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.15M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.