Upstream networks
AS21700 NEPTUNE-NETWORKS
Unclassified ARIN NSP
Transit
Upstream networks
Networks observed carrying traffic for AS21700: 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 | 195 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 133 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 123 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 9 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 | 7 |
| AS9002 | RETN Limited | Unclassified | IPv6 | 4 |
| AS13030 | Init7 (Switzerland) Ltd. | Hosting | 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 2026-10-14 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.25M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.