| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US |  United States |
8511744 | 257698496512 |
| AS6774 | ASN-BICS - Belgacom International Carrier Services SA, BE |  Belgium |
20256 | 4294967296 |
| AS8220 | COLT - COLT Technology Services Group Limited, GB |  United Kingdom |
1497600 | 25770721280 |