Upstream networks
AS6821 MT-AS-OWN bul. Orce Nikolov bb
Residential RIPE NSP
Transit
Upstream networks
Networks observed carrying traffic for AS6821: 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 IPv6 | 2,148 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 1,430 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 | 1,168 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 269 |
| AS8280 | SYNAPSECOM S.A. Provider of Telecommunications and Internet Services | Hosting | IPv4 | 69 |
| AS208972 | GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Unclassified | IPv4 | 69 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 | 37 |
| AS5405 | Inter.link GmbH | Unclassified | IPv4 | 30 |
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 2026-10-18 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.