AS3257 89.167.136.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204889.167.136.0/2489.167.137.0/2489.167.138.0/2489.167.139.0/2489.167.140.0/2489.167.141.0/2489.167.142.0/2489.167.143.0/24