Upstream networks
AS21699 IO - IO INC
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS21699: 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 |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 2,388 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 IPv6 | 514 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 463 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 123 |
| AS13335 | Cloudflare, Inc. | Hosting | IPv4 | 1 |
| AS30058 | FDCservers.net | Unclassified | 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 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.