| AS | Desc | Country / Region | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US |  United States |
8513536 | 257699086336 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth, US | United States |
1671424 | 17985699840 |