AS3257 72.13.244.128/27 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 30Addressable IPs: 32 72.13.244.12972.13.244.13072.13.244.13172.13.244.13272.13.244.13372.13.244.13472.13.244.13572.13.244.13672.13.244.13772.13.244.13872.13.244.13972.13.244.14072.13.244.14172.13.244.14272.13.244.14372.13.244.14472.13.244.14572.13.244.14672.13.244.14772.13.244.14872.13.244.14972.13.244.15072.13.244.15172.13.244.15272.13.244.15372.13.244.15472.13.244.15572.13.244.15672.13.244.15772.13.244.15872.13.244.15972.13.244.160