Upstream networks
AS17903 COGNIZANT-IN-AP Cognizant Technology Solutions India Pvt Ltd
Unclassified APNIC
Transit
Upstream networks
Networks observed carrying traffic for AS17903: 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 |
|---|---|---|---|---|
| AS4755 | TATA Communications formerly VSNL is Leading ISP | Hosting | IPv4 | 2,121 |
| AS9498 | BHARTI Airtel Ltd. | Mobile | IPv4 | 1,425 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 701 |
| AS9299 | Philippine Long Distance Telephone Company | Unclassified | IPv4 | 319 |
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 228 |
| AS55836 | Reliance Jio Infocomm Limited | Mobile | IPv4 | 211 |
| AS9730 | Bharti Telesonic Ltd | Unclassified | IPv4 | 177 |
| AS701 | Verizon Business | Residential | IPv4 | 134 |
| AS9304 | HGC Global Communications Limited | Hosting | IPv4 | 122 |
| AS2856 | British Telecommunications Limited | Residential | IPv4 | 118 |
| AS199569 | Cognizant Worldwide Limited | Unclassified | IPv4 | 116 |
| AS4657 | StarHub Ltd | Residential | IPv4 | 58 |
| AS22773 | Cox Communications Inc. | Residential | IPv4 | 58 |
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 2026-10-17 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.