| AS | Desc | Country / Region | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US |  United States |
8552448 | 442382745600 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC, US | United States |
28864512 | 81626398720 |
| AS8220 | COLT - COLT Technology Services Group Limited, GB |  United Kingdom |
1497088 | 25770590208 |