AS3257 194.77.224.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048194.77.224.0/24194.77.225.0/24194.77.226.0/24194.77.227.0/24194.77.228.0/24194.77.229.0/24194.77.230.0/24194.77.231.0/24