Upstream networks
AS203273 NETCRAFTERSOUE
Unclassified Spamhaus ASN-DROP RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS203273: 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 |
|---|---|---|---|---|
| AS30823 | aurologic GmbH | Hosting | IPv4 | 6,515 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 2,216 |
| AS207208 | MEVSPACE sp. z o.o. | Unclassified | IPv4 IPv6 | 776 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 654 |
| AS31500 | Global Network Management Inc | Unclassified | IPv4 IPv6 | 193 |
| AS57304 | JSC "RetnNet" | Unclassified | IPv4 IPv6 | 117 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 99 |
| AS199599 | Telecom-Birzha, LLC | Unclassified | IPv4 IPv6 | 60 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 10 |
| AS208972 | GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Unclassified | IPv4 | 10 |
| AS216246 | Aeza Group LLC | Unclassified | IPv4 | 9 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 1 |
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 2026-10-15 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.09M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.