AS3257 212.180.0.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048212.180.0.0/24212.180.1.0/24212.180.2.0/24212.180.3.0/24212.180.4.0/24212.180.5.0/24212.180.6.0/24212.180.7.0/24