asn.dev

Upstream networks

AS203997 XTDEF

Unclassified RIPE

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS203997: 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.

ASNetworkTypeFamiliesPaths seen
AS40994Hohl IT e.U.HostingIPv4 IPv6269
AS20473The Constant Company, LLCHostingIPv4 IPv6205
AS57695Misaka Network, Inc.UnclassifiedIPv459
AS56662Marcin GondekUnclassifiedIPv61

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 2026-10-21 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.