ASNs of Interest
Using the following links/references, the list of Tier 1 ASN has been built, along with a list of “interesting” non Tier 1 ASNs. Here, interesting means ASNs which are having exceptionally high levels of interconnectivity and/or ASN or IP address coverage, a level which puts them on par with the Tier 1 networks:
- https://bgp.he.net/report/peers#_adjacencies
- https://bgp.tools/rankings/all?sort=peering
- https://bgp.tools/rankings/all?sort=cone
- https://asrank.caida.org/asns
- https://asrank.caida.org/
- https://en.wikipedia.org/wiki/Tier_1_network
These stats may change over time so the following lists are accurate at the time of writing only.
Tier 1 ASNs
The following table shows the list of more-or-less agreed-on Tier 1 ASNs:
| ASN | Name |
|---|---|
| 174 | Cogent |
| 701 | Verizon/UUNET |
| 1299 | Arelion |
| 2914 | NTT |
| 3257 | GTT |
| 3320 | DTAG |
| 3356 | Lumen/Colt |
| 3491 | PCCW/Console Connect |
| 5511 | FT/Orange |
| 6453 | TATA |
| 6461 | Zayo |
| 6762 | TI Sparkle/Seabone |
| 6830 | Liberty Global |
| 6939 | Hurricane Electric |
| 7018 | AT&T |
| 12956 | Telxius/Telefonica |
ASNs With Most Peers
The following table shows a list of non-Tier 1 ASNs with the most peers:
| ASN | Name |
|---|---|
| 2635 | Automattic |
| 9498 | Bharti Airtel |
| 13335 | Cloudflare |
| 14840 | BR.DIGITAL |
| 20473 | The Constant Company / Vultr |
| 24482 | SG.GS |
| 35280 | F5 Networks |
| 36236 | NetActuate |
| 37721 | Virtual Technologies & Solutions |
| 39120 | Convergenze |
| 49544 | i3D.net |
| 57463 | NetIX Communications |
| 64289 | Macarne |
| 199524 | G-Core |
ASNs With Largest AS-Cone
The following table shows a list of non-Tier 1 ASNs with the largest AS cone:
| ASN | Name |
|---|---|
| 1273 | Vodafone |
| 4637 | Telstra |
| 7195 | EdgeUno |
| 7473 | Singapore Telecommunications |
| 9002 | RETN |
| 9498 | Bharti Airtel |
| 12389 | Rostelecom |
| 13786 | Seaborn (Seabras USA) |
| 23911 | China Next Generation Internet Beijing |
| 37468 | Angola Cables |
| 38255 | China Education and Research Network |
| 52320 | GlobeNet Cabos Submarinos Colombia |
Final ASN List
The following is the final list with duplicates removed:
| ASN | Name | Tier |
|---|---|---|
| 174 | Cogent | 1 |
| 701 | Verizon/UUNET | 1 |
| 1273 | Vodafone | 2 |
| 1299 | Arelion | 1 |
| 2635 | Automattic | 2 |
| 2914 | NTT | 1 |
| 3257 | GTT | 1 |
| 3320 | DTAG | 1 |
| 3356 | Lumen/Colt | 1 |
| 3491 | PCCW/Console Connect | 1 |
| 4637 | Telstra | 2 |
| 5511 | FT/Orange | 1 |
| 6453 | TATA | 1 |
| 6461 | Zayo | 1 |
| 6762 | TI Sparkle/Seabone | 1 |
| 6830 | Liberty Global | 1 |
| 6939 | Hurricane Electric | 1* |
| 7018 | AT&T | 1 |
| 7195 | EdgeUno | 2 |
| 7473 | Singapore Telecommunications | 2 |
| 9002 | RETN | 2 |
| 9498 | Bharti Airtel | 2 |
| 12389 | Rostelecom | 2 |
| 12956 | Telxius/Telefonica | 1 |
| 13335 | Cloudflare | 2 |
| 13786 | Seaborn (Seabras USA) | 2 |
| 14840 | BR.DIGITAL | 2 |
| 20473 | The Constant Company / Vultr | 2 |
| 23911 | China Next Generation Internet Beijing | 2 |
| 24482 | SG.GS | 2 |
| 35280 | F5 Networks | 2 |
| 36236 | NetActuate | 2 |
| 37468 | Angola Cables | 2 |
| 37721 | Virtual Technologies & Solutions | 2 |
| 38255 | China Education and Research Network | 2 |
| 39120 | Convergenze | 2 |
| 49544 | i3D.net | 2 |
| 52320 | GlobeNet Cabos Submarinos Colombia | 2 |
| 57463 | NetIX Communications | 2 |
| 64289 | Macarne | 2 |
| 199524 | G-Core | 2 |