AS3257 72.13.250.208/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 72.13.250.20972.13.250.21072.13.250.21172.13.250.21272.13.250.21372.13.250.21472.13.250.21572.13.250.216