Adjacent networks
AS20203 FIRST-FINANCIAL-BANK-NA
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS20203 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 42 |
| AS13807 | Great Plains Communications LLC | Residential | IPv4 | 36 |
| AS5742 | Fidium | Unclassified | IPv4 | 28 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 9 |
| AS13649 | Flexential Colorado Corp. | Hosting | IPv4 | 9 |
| AS32709 | Joink, LLC | Unclassified | IPv4 | 2 |
Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.
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.