Upstream networks
AS39251 NETGUARD
Unclassified RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS39251: 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 |
|---|---|---|---|---|
| AS1299 | Arelion Sweden AB | Transit | IPv4 | 1,049 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 948 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 624 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 558 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 510 |
| AS8280 | SYNAPSECOM S.A. Provider of Telecommunications and Internet Services | Hosting | IPv4 IPv6 | 74 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 73 |
| AS24482 | SG.GS | Hosting | IPv4 | 73 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 | 73 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 73 |
| AS49673 | Truenetwork LLC | Unclassified | IPv4 | 73 |
| AS50673 | Serverius Holding B.V. | Unclassified | IPv4 | 73 |
| AS56655 | Gigahost AS | Unclassified | IPv4 | 73 |
| AS208972 | GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Unclassified | IPv4 | 73 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 2 |
| AS5405 | Inter.link GmbH | Unclassified | IPv4 | 1 |
| AS12615 | Global Communication Net Plc | 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 2026-10-15 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.