AS3257 64.81.96.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409664.81.96.0/2464.81.97.0/2464.81.98.0/2464.81.99.0/2464.81.100.0/2464.81.101.0/2464.81.102.0/2464.81.103.0/2464.81.104.0/2464.81.105.0/2464.81.106.0/2464.81.107.0/2464.81.108.0/2464.81.109.0/2464.81.110.0/2464.81.111.0/24