Upstream networks
AS9121 TTNET
Mobile ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS9121: 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 |
|---|---|---|---|---|
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 6,776 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 4,839 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 4,459 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 3,655 |
| AS208972 | GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Unclassified | IPv4 IPv6 | 1,234 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 1,204 |
| AS3320 | Deutsche Telekom AG | Mobile | IPv4 IPv6 | 1,134 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 IPv6 | 625 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 505 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 458 |
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 | 323 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 322 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 322 |
| AS6663 | Euroweb Romania S.R.L. | Unclassified | IPv4 | 70 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv6 | 23 |
| AS5405 | Inter.link GmbH | 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 2026-10-11 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.47M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.