Upstream networks
AS18135 BTV - BTV CO.,LTD.
Residential APNIC Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS18135: 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 |
|---|---|---|---|---|
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 IPv6 | 350 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 124 |
| AS2519 | ARTERIA Networks Corporation | Unclassified | IPv4 | 69 |
| AS17676 | SoftBank Corp. | Mobile | IPv4 IPv6 | 41 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 13 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 11 |
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 2026-11-09 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.03M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.