Upstream networks
AS40387 UI-ICCN
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS40387: 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 |
|---|---|---|---|---|
| AS23473 | PAVLOV MEDIA INC | Unclassified | IPv4 IPv6 | 69 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 23 |
| AS11164 | Internet2 | Education | IPv4 IPv6 | 5 |
| AS11537 | Internet2 | Unclassified | IPv4 | 4 |
| AS2381 | WiscNet | Unclassified | IPv4 IPv6 | 2 |
| AS293 | ESnet | Unclassified | IPv4 | 1 |
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 2026-10-21 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.