Upstream networks
AS209300 TWD2-NET TWD2 Education and Research Network
Unclassified RIPE Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS209300: 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 |
|---|---|---|---|---|
| AS212683 | Olilo UK & Ireland Ltd. | Residential | IPv4 IPv6 | 92 |
| AS38255 | China Education and Research Network (CERNET) | Unclassified | IPv6 | 34 |
| AS142650 | China Education and Research Network (CERNET) | Unclassified | IPv6 | 34 |
| AS29632 | Netassist International EOOD | Unclassified | IPv6 | 23 |
| AS45576 | Tsinghua University | Unclassified | IPv6 | 23 |
| AS8772 | NetAssist LLC | Unclassified | IPv6 | 9 |
| AS20473 | The Constant Company, LLC | Hosting | IPv4 | 1 |
| AS37989 | DCS1 Pte. Ltd. | Hosting | IPv6 | 1 |
| AS58057 | Securebit AG | Unclassified | 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 2026-10-15 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.09M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.