Upstream networks
AS199837 TREPSYSTEMAS
Residential RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS199837: 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 |
|---|---|---|---|---|
| AS47927 | WIFIWEB s.r.l. | Unclassified | IPv4 | 172 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 143 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 80 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 78 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 9 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 8 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 | 8 |
| AS31543 | myNet GmbH | Residential | IPv4 | 8 |
| AS59919 | Brainbox S.r.l. | Residential | IPv4 | 8 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 2 |
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 2026-10-20 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.16M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.