Upstream networks
AS20559 FUNDAMENTS-AS
Hosting RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS20559: 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 |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 474 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 IPv6 | 367 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 341 |
| AS24785 | Broadband Hosting B.V. | Hosting | IPv4 | 269 |
| AS8455 | atom86 BV | Hosting | IPv4 | 147 |
| AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | Unclassified | IPv4 IPv6 | 38 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 38 |
| AS48185 | team.blue NV | Unclassified | IPv4 IPv6 | 38 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 38 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 IPv6 | 38 |
| AS58057 | Securebit AG | Unclassified | IPv4 IPv6 | 38 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 31 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 31 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 31 |
| AS20766 | Association "Gitoyen" | Unclassified | IPv4 | 31 |
| AS34927 | iFog GmbH | Hosting | IPv4 | 31 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 31 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 31 |
| AS202365 | Omer GOLGELI | Unclassified | IPv4 | 31 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 14 |
| AS56662 | Marcin Gondek | Unclassified | IPv6 | 7 |
| AS204092 | Association GRIFON | Unclassified | IPv6 | 7 |
| AS213241 | TECHIT.BE SRL | Residential | IPv6 | 7 |
| AS293 | ESnet | Unclassified | IPv4 | 1 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 1 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 1 |
| AS33891 | Core-Backbone GmbH | Hosting | 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 2026-10-17 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.