Upstream networks
AS21738 ROZINT - Rozint
Residential ARIN Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS21738: 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 |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 323 |
| AS32097 | WholeSale Internet, Inc. | Hosting | IPv4 | 234 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 | 97 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 41 |
| AS34927 | iFog GmbH | Hosting | IPv6 | 7 |
| AS52025 | ParadoxNetworks Limited | Unclassified | IPv4 | 5 |
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 2026-11-11 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 73.24M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.