Other Major Networks
The following networks are transit-free networks, even though they have settlement based or paid peering with one or more other networks:
| Name | Headquarters | AS Number | August 2012 degree | Settlement Peer |
|---|---|---|---|---|
| Cogent Communications | USA | 174 | 3537 | Sprint/AS1239 and Level 3 Communications (L3)/AS3356 |
| Hurricane Electric | USA | 6939 | 2180 | Global Crossing (GBLX)/AS3549 and TeliaSonera/AS1299 for IPv4—transit-free for IPv6 |
| OpenTransit (France Telecom) | France | 5511 | 146 | Possibly Verizon Business/AS701 & Sprint Nextel Corporation/AS1239 |
Due to the marketing considerations mentioned above, many people mistakenly believe that other networks are tier 1 when they are not. Because of this, many online resources and forums incorrectly list several non-qualifying networks as tier 1. Below is a list of some of these tier 2 networks which are often listed as tier 1, along with their upstream providers:
- Allstream/AS15290 (Verizon Business/AS701 transit, AT&T/AS7018 transit, Level 3 Communications (L3)/AS3356 transit)
- British Telecom/AS5400 (Global Crossing (GBLX)/AS3549 transit, Level 3 Communications (L3)/AS3356 transit)
- Cable and Wireless/AS1273 (Level 3 Communications (L3)/AS3356, TeliaSonera/AS1299 transit)
- PCCWGlobal/AS3491 (Global Crossing (GBLX)/AS3549 transit)
- tw telecom/AS4323 (Sprint Nextel Corporation/AS1239 transit, paid peering with Level 3 Communications (L3)/AS3356)
Read more about this topic: Tier 1 Network
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