Upstream networks
AS203662 PL-3K33 3K33 sp. z o.o.
Unclassified RIPE Enterprise
Transit
Upstream networks
Networks observed carrying traffic for AS203662: 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 |
|---|---|---|---|---|
| AS19318 | Interserver, Inc | Hosting | IPv4 IPv6 | 220 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 208 |
| AS53667 | FranTech Solutions | Hosting | IPv6 | 36 |
| AS200088 | Artnet Sp. z o.o. | Unclassified | IPv4 IPv6 | 33 |
| AS141409 | 3K33 sp. z o.o. | Unclassified | IPv4 IPv6 | 13 |
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 2026-11-02 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.44M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.