Upstream networks
AS137 ASGARR Consortium GARR
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS137: 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 |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 2,135 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | Transit | IPv4 IPv6 | 1,401 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 573 |
| AS20965 | GEANT Vereniging | Unclassified | IPv4 IPv6 | 496 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 IPv6 | 161 |
| AS21320 | GEANT Vereniging | Unclassified | IPv4 IPv6 | 87 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 84 |
| AS31543 | myNet GmbH | Residential | IPv4 IPv6 | 83 |
| AS59919 | Brainbox S.r.l. | Residential | IPv4 | 82 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 | 5 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 4 |
| AS13030 | Init7 (Switzerland) Ltd. | Hosting | IPv6 | 2 |
| AS12779 | IT.Gate S.p.A. | 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 2026-10-15 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.09M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.