Upstream networks
AS21595 BAXTER
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS21595: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 670 |
| AS15695 | Expereo International BV | Unclassified | IPv4 | 524 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 446 |
| AS701 | Verizon Business | Residential | IPv4 | 396 |
| AS702 | Verizon Business | Unclassified | IPv4 | 268 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 133 |
Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you.
Derived from routing tables collected at 2026-10-31 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.50M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.