Upstream networks
AS209137 SPRINGO
Residential RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS209137: 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 |
|---|---|---|---|---|
| AS12874 | Fastweb SpA | Residential | IPv4 | 268 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 104 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 88 |
| AS24482 | SG.GS | Hosting | IPv4 | 8 |
| AS29075 | IELO-LIAZO SERVICES SAS | Unclassified | IPv4 | 8 |
| AS31543 | myNet GmbH | Residential | IPv4 | 8 |
| AS59919 | Brainbox S.r.l. | Residential | IPv4 | 8 |
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 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.