AS3257 204.93.56.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048204.93.56.0/24204.93.57.0/24204.93.58.0/24204.93.59.0/24204.93.60.0/24204.93.61.0/24204.93.62.0/24204.93.63.0/24