AS3257 212.56.15.80/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 212.56.15.81212.56.15.82212.56.15.83212.56.15.84212.56.15.85212.56.15.86212.56.15.87212.56.15.88212.56.15.89212.56.15.90212.56.15.91212.56.15.92212.56.15.93212.56.15.94212.56.15.95212.56.15.96