AS3257 74.2.8.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204874.2.8.0/2474.2.9.0/2474.2.10.0/2474.2.11.0/2474.2.12.0/2474.2.13.0/2474.2.14.0/2474.2.15.0/24