Upstream networks
AS19239 KLA - KLA Corporation
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS19239: 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 |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 171 |
| AS2687 | AT&T Enterprises, LLC | Unclassified | IPv4 | 123 |
| AS12129 | 123.Net, Inc. | Hosting | IPv4 | 122 |
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 116 |
| AS9498 | BHARTI Airtel Ltd. | Mobile | IPv4 | 102 |
| AS3491 | PCCW Global (HK) Ltd. | Transit | IPv4 | 53 |
| AS8551 | Bezeq International Ltd. | Unclassified | IPv4 | 51 |
| AS55410 | Vodafone Idea Ltd | Mobile | IPv4 | 40 |
| AS2856 | British Telecommunications Limited | Residential | IPv4 | 38 |
| AS5089 | Virgin Media Limited | Residential | IPv4 | 22 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 22 |
| AS4755 | TATA Communications formerly VSNL is Leading ISP | Hosting | IPv4 | 21 |
| AS45820 | Tata Teleservices ISP AS | Residential | IPv4 | 19 |
| AS12400 | Partner Communications Ltd. | Unclassified | IPv4 | 13 |
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 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.