Upstream networks
AS43861 CIRCLEB-ASN
Unclassified RIPE NSP
Transit
Upstream networks
Networks observed carrying traffic for AS43861: 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 |
|---|---|---|---|---|
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 IPv6 | 247 |
| AS38930 | LeaseWeb Network B.V. | Unclassified | IPv4 IPv6 | 49 |
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 2026-10-16 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.23M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.