AS3257 64.145.0.0/18 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 16382Addressable IPs: 1638464.145.0.0/2464.145.1.0/2464.145.2.0/2464.145.3.0/2464.145.4.0/2464.145.5.0/2464.145.6.0/2464.145.7.0/2464.145.8.0/2464.145.9.0/2464.145.10.0/2464.145.11.0/2464.145.12.0/2464.145.13.0/2464.145.14.0/2464.145.15.0/2464.145.16.0/2464.145.17.0/2464.145.18.0/2464.145.19.0/2464.145.20.0/2464.145.21.0/2464.145.22.0/2464.145.23.0/2464.145.24.0/2464.145.25.0/2464.145.26.0/2464.145.27.0/2464.145.28.0/2464.145.29.0/2464.145.30.0/2464.145.31.0/2464.145.32.0/2464.145.33.0/2464.145.34.0/2464.145.35.0/2464.145.36.0/2464.145.37.0/2464.145.38.0/2464.145.39.0/2464.145.40.0/2464.145.41.0/2464.145.42.0/2464.145.43.0/2464.145.44.0/2464.145.45.0/2464.145.46.0/2464.145.47.0/2464.145.48.0/2464.145.49.0/2464.145.50.0/2464.145.51.0/2464.145.52.0/2464.145.53.0/2464.145.54.0/2464.145.55.0/2464.145.56.0/2464.145.57.0/2464.145.58.0/2464.145.59.0/2464.145.60.0/2464.145.61.0/2464.145.62.0/2464.145.63.0/24