AS3257 72.13.250.64/27 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 30Addressable IPs: 32 72.13.250.6572.13.250.6672.13.250.6772.13.250.6872.13.250.6972.13.250.7072.13.250.7172.13.250.7272.13.250.7372.13.250.7472.13.250.7572.13.250.7672.13.250.7772.13.250.7872.13.250.7972.13.250.8072.13.250.8172.13.250.8272.13.250.8372.13.250.8472.13.250.8572.13.250.8672.13.250.8772.13.250.8872.13.250.8972.13.250.9072.13.250.9172.13.250.9272.13.250.9372.13.250.9472.13.250.9572.13.250.96