Upstream networks
AS203712 XARTIC-AS Xarxes Esteses de Comunicacions SL
Residential RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS203712: 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 |
|---|---|---|---|---|
| AS210472 | Parlem Telecom Companyia de Telecomunicacions SA | Unclassified | IPv4 | 403 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 77 |
| AS43578 | TEMPLUS BARCELONA S.L. | Hosting | IPv6 | 16 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 IPv6 | 8 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 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 2026-11-07 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 72.97M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.