AS3257 72.13.228.128/26 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 62Addressable IPs: 64 72.13.228.12972.13.228.13072.13.228.13172.13.228.13272.13.228.13372.13.228.13472.13.228.13572.13.228.13672.13.228.13772.13.228.13872.13.228.13972.13.228.14072.13.228.14172.13.228.14272.13.228.14372.13.228.14472.13.228.14572.13.228.14672.13.228.14772.13.228.14872.13.228.14972.13.228.15072.13.228.15172.13.228.15272.13.228.15372.13.228.15472.13.228.15572.13.228.15672.13.228.15772.13.228.15872.13.228.15972.13.228.16072.13.228.16172.13.228.16272.13.228.16372.13.228.16472.13.228.16572.13.228.16672.13.228.16772.13.228.16872.13.228.16972.13.228.17072.13.228.17172.13.228.17272.13.228.17372.13.228.17472.13.228.17572.13.228.17672.13.228.17772.13.228.17872.13.228.17972.13.228.18072.13.228.18172.13.228.18272.13.228.18372.13.228.18472.13.228.18572.13.228.18672.13.228.18772.13.228.18872.13.228.18972.13.228.19072.13.228.19172.13.228.192