AS3257 207.223.112.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096207.223.112.0/24207.223.113.0/24207.223.114.0/24207.223.115.0/24207.223.116.0/24207.223.117.0/24207.223.118.0/24207.223.119.0/24207.223.120.0/24207.223.121.0/24207.223.122.0/24207.223.123.0/24207.223.124.0/24207.223.125.0/24207.223.126.0/24207.223.127.0/24