AS3257 212.115.144.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096212.115.144.0/24212.115.145.0/24212.115.146.0/24212.115.147.0/24212.115.148.0/24212.115.149.0/24212.115.150.0/24212.115.151.0/24212.115.152.0/24212.115.153.0/24212.115.154.0/24212.115.155.0/24212.115.156.0/24212.115.157.0/24212.115.158.0/24212.115.159.0/24