Upstream networks
AS12963 VOLZ Scientific -Industrial Firm Volz Ltd
Residential RIPE
Transit
Upstream networks
Networks observed carrying traffic for AS12963: 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 |
|---|---|---|---|---|
| AS35297 | Dataline LLC | Unclassified | IPv4 IPv6 | 1,282 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 340 |
| AS50263 | A-Systems Sp. z o.o. | Unclassified | IPv4 IPv6 | 214 |
| AS12741 | Netia SA | Residential | IPv4 IPv6 | 204 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 186 |
| AS34549 | meerfarbig GmbH & Co. KG | Hosting | IPv4 IPv6 | 109 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 73 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 70 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 41 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 | 40 |
| AS34019 | Hivane Association | Unclassified | IPv4 IPv6 | 28 |
| AS48362 | Stadtwerke Feldkirch | Residential | IPv4 IPv6 | 28 |
| AS212024 | Marc Schmitt | Unclassified | IPv4 IPv6 | 28 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 27 |
| AS37100 | SEACOM Limited | Unclassified | IPv4 | 27 |
| AS17639 | Converge ICT Solutions Inc. | Unclassified | IPv6 | 1 |
| AS213241 | TECHIT.BE SRL | Residential | 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 2026-10-16 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.23M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.