AS3257 66.80.112.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204866.80.112.0/2466.80.113.0/2466.80.114.0/2466.80.115.0/2466.80.116.0/2466.80.117.0/2466.80.118.0/2466.80.119.0/24