AS3257 66.80.104.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.80.104.0/2466.80.105.0/2466.80.106.0/2466.80.107.0/2466.80.108.0/2466.80.109.0/2466.80.110.0/2466.80.111.0/24