Upstream networks
AS1103 SURFNET-NL SURFnet, The Netherlands
Unclassified RIPE Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS1103: 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 |
|---|---|---|---|---|
| AS6830 | Liberty Global Europe Holding B.V. | Residential | IPv4 IPv6 | 1,514 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 775 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 735 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 IPv6 | 701 |
| AS11537 | Internet2 | Unclassified | IPv4 IPv6 | 304 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 301 |
| AS50304 | Blix Solutions AS | Unclassified | IPv4 IPv6 | 204 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 103 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv4 IPv6 | 103 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 103 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 103 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 103 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 103 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 103 |
| AS204092 | Association GRIFON | Unclassified | IPv4 IPv6 | 102 |
| AS6696 | VERIXI SA | Unclassified | IPv4 | 99 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 99 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 99 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 99 |
| AS57866 | Fusix Networks B.V. | Unclassified | IPv4 | 99 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 98 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 98 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 98 |
| AS293 | ESnet | Unclassified | IPv4 | 97 |
| AS7575 | Australian Academic and Research Network (AARNet) | Education | IPv4 | 92 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 8 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 4 |
| AS2914 | NTT America, Inc. | Transit | IPv6 | 3 |
| AS24785 | Broadband Hosting B.V. | Hosting | IPv6 | 3 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 1 |
| AS20965 | GEANT Vereniging | Unclassified | IPv4 | 1 |
| AS25091 | IP-Max SA | Unclassified | IPv6 | 1 |
| AS34019 | Hivane Association | Unclassified | IPv6 | 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 2026-10-14 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.25M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.