Upstream networks
AS16921 INTELIGLOBE-1
Unclassified ARIN NSP
Transit
Upstream networks
Networks observed carrying traffic for AS16921: 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 IPv6 | 448 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 437 |
| AS22927 | Telefonica de Argentina | Mobile | IPv4 IPv6 | 330 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 193 |
| AS14259 | Gtd Internet S.A. | Residential | IPv4 IPv6 | 151 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 143 |
| AS28188 | Pronto Net Ltda. | Unclassified | IPv4 IPv6 | 124 |
| AS26615 | TIM S/A | Mobile | IPv4 IPv6 | 104 |
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | Transit | IPv4 IPv6 | 98 |
| AS14840 | BR.Digital Telecom | Unclassified | IPv4 IPv6 | 97 |
| AS4230 | CLARO S.A. | Residential | IPv4 IPv6 | 91 |
| AS10429 | TELEFONICA BRASIL S.A | Residential | IPv4 IPv6 | 91 |
| AS52468 | UFINET PANAMA S.A. | Unclassified | IPv4 IPv6 | 90 |
| AS6327 | Shaw Communications | Residential | IPv4 IPv6 | 89 |
| AS262907 | BRASIL TECPAR AMIGO AVATO | Residential | IPv4 IPv6 | 73 |
| AS19332 | COORDINADORA DE CARRIER'S, S.A. DE C.V. | Unclassified | IPv4 IPv6 | 65 |
| AS18678 | INTERNEXA S.A. E.S.P | Unclassified | IPv4 | 59 |
| AS8220 | COLT Technology Services Group Limited | Hosting | IPv4 | 57 |
| AS16814 | NSS S.A. | Unclassified | IPv4 | 14 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 11 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 IPv6 | 11 |
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.