Upstream networks
AS12387 TON TON Total optical Networks AG
Unclassified ARIN NSP
Transit
Upstream networks
Networks observed carrying traffic for AS12387: 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 |
|---|---|---|---|---|
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 IPv6 | 79 |
| AS23764 | CTGNet | Unclassified | IPv4 | 61 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 42 |
| AS4455 | IX Reach Ltd | Unclassified | IPv4 IPv6 | 37 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 20 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 7 |
| AS6730 | Sunrise GmbH | Mobile | IPv4 IPv6 | 4 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 4 |
| AS49432 | Dominic Schallert trading as schallert.com e.U. | Unclassified | IPv4 IPv6 | 4 |
| AS1836 | green.ch AG | Residential | IPv4 | 3 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 3 |
| AS34019 | Hivane Association | Unclassified | IPv4 | 3 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 IPv6 | 3 |
| AS213241 | TECHIT.BE SRL | Residential | IPv4 IPv6 | 3 |
| AS6797 | GlobalConnect AB | Unclassified | IPv4 | 2 |
| AS8551 | Bezeq International Ltd. | Unclassified | IPv4 | 2 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 2 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 2 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv6 | 1 |
| AS29632 | Netassist International EOOD | 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 2026-11-14 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.46M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.