Upstream networks
AS203991 AS20473
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS203991: 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 |
|---|---|---|---|---|
| AS41051 | Openfactory GmbH | Unclassified | IPv4 IPv6 | 125 |
| AS20473 | The Constant Company, LLC | Hosting | IPv4 IPv6 | 43 |
| AS209533 | iFog GmbH | Unclassified | IPv6 | 6 |
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 2026-10-18 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.