AS3257 72.13.250.120/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 72.13.250.12172.13.250.12272.13.250.12372.13.250.12472.13.250.12572.13.250.12672.13.250.12772.13.250.128