AS3257 77.67.104.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204877.67.104.0/2477.67.105.0/2477.67.106.0/2477.67.107.0/2477.67.108.0/2477.67.109.0/2477.67.110.0/2477.67.111.0/24