Upstream networks
AS12213 CNSQ-AS12213
Hosting ARIN Network Services
Transit
Upstream networks
Networks observed carrying traffic for AS12213: 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 |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 1,224 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 998 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 143 |
| AS2686 | AT&T Enterprises, LLC | Unclassified | IPv4 | 130 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 IPv6 | 109 |
| AS49915 | Megaport (UK) Limited | Unclassified | IPv4 IPv6 | 65 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 35 |
| AS25091 | IP-Max SA | 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 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.