Adjacent networks
AS21660 BAXALTA
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS21660 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS209 | CenturyLink Communications, LLC | Residential | IPv4 | 240 |
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 231 |
| AS139883 | SPTEL PTE. LTD. | Unclassified | IPv4 | 84 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 43 |
| AS8437 | Hutchison Drei Austria GmbH | Unclassified | IPv4 | 42 |
| AS15830 | Equinix (EMEA) Acquisition Enterprises B.V. | Hosting | IPv4 | 16 |
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 2026-10-24 16:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.19M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.