AS3257 72.13.250.192/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 72.13.250.19372.13.250.19472.13.250.19572.13.250.19672.13.250.19772.13.250.19872.13.250.19972.13.250.20072.13.250.20172.13.250.20272.13.250.20372.13.250.20472.13.250.20572.13.250.20672.13.250.20772.13.250.208