Upstream networks
AS20340 CALLTOWER
Hosting ARIN Content
Transit
Upstream networks
Networks observed carrying traffic for AS20340: 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 | 649 |
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 138 |
| AS16260 | EMEA Ltd. | Unclassified | IPv4 | 74 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 73 |
| AS19855 | Masergy Communications, Inc. | Unclassified | IPv4 | 59 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 50 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 46 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 40 |
| AS13768 | Aptum Technologies | Hosting | IPv4 | 24 |
| AS24482 | SG.GS | Hosting | IPv4 | 14 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 14 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 | 12 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 7 |
| AS6797 | GlobalConnect AB | Unclassified | IPv4 | 3 |
| AS12779 | IT.Gate S.p.A. | Unclassified | IPv4 | 3 |
| AS34019 | Hivane Association | Unclassified | IPv4 | 3 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 3 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 | 3 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 | 3 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 2 |
| AS20764 | CJSC RASCOM | 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 2026-10-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.22M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.