AS3257 70.39.128.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409670.39.128.0/2470.39.129.0/2470.39.130.0/2470.39.131.0/2470.39.132.0/2470.39.133.0/2470.39.134.0/2470.39.135.0/2470.39.136.0/2470.39.137.0/2470.39.138.0/2470.39.139.0/2470.39.140.0/2470.39.141.0/2470.39.142.0/2470.39.143.0/24