Upstream networks
AS19318 IS-AS-1
Hosting DROP-listed space ARIN Content
Transit
Upstream networks
Networks observed carrying traffic for AS19318: 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 |
|---|---|---|---|---|
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 | 2,103 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 1,954 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 1,689 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 1,415 |
| AS22652 | Videotron Ltee | Residential | IPv4 IPv6 | 272 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 137 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 99 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 60 |
| AS33891 | Core-Backbone GmbH | Hosting | 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 2026-10-12 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.21M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.