AS3257 86.53.224.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204886.53.224.0/2486.53.225.0/2486.53.226.0/2486.53.227.0/2486.53.228.0/2486.53.229.0/2486.53.230.0/2486.53.231.0/24