AS3257 72.244.87.32/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 72.244.87.3372.244.87.3472.244.87.3572.244.87.3672.244.87.3772.244.87.3872.244.87.3972.244.87.4072.244.87.4172.244.87.4272.244.87.4372.244.87.4472.244.87.4572.244.87.4672.244.87.4772.244.87.48