AS3257 212.56.15.72/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 212.56.15.73212.56.15.74212.56.15.75212.56.15.76212.56.15.77212.56.15.78212.56.15.79212.56.15.80