AS3257 74.199.208.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409674.199.208.0/2474.199.209.0/2474.199.210.0/2474.199.211.0/2474.199.212.0/2474.199.213.0/2474.199.214.0/2474.199.215.0/2474.199.216.0/2474.199.217.0/2474.199.218.0/2474.199.219.0/2474.199.220.0/2474.199.221.0/2474.199.222.0/2474.199.223.0/24