AS3257 207.162.192.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048207.162.192.0/24207.162.193.0/24207.162.194.0/24207.162.195.0/24207.162.196.0/24207.162.197.0/24207.162.198.0/24207.162.199.0/24