AS3257 70.39.176.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204870.39.176.0/2470.39.177.0/2470.39.178.0/2470.39.179.0/2470.39.180.0/2470.39.181.0/2470.39.182.0/2470.39.183.0/24