AS3257 72.13.250.8/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 72.13.250.972.13.250.1072.13.250.1172.13.250.1272.13.250.1372.13.250.1472.13.250.1572.13.250.16