AS3257 85.189.80.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204885.189.80.0/2485.189.81.0/2485.189.82.0/2485.189.83.0/2485.189.84.0/2485.189.85.0/2485.189.86.0/2485.189.87.0/24