AS3257 212.56.8.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048212.56.8.0/24212.56.9.0/24212.56.10.0/24212.56.11.0/24212.56.12.0/24212.56.13.0/24212.56.14.0/24212.56.15.0/24