AS3257 64.81.158.128/27 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 30Addressable IPs: 32 64.81.158.12964.81.158.13064.81.158.13164.81.158.13264.81.158.13364.81.158.13464.81.158.13564.81.158.13664.81.158.13764.81.158.13864.81.158.13964.81.158.14064.81.158.14164.81.158.14264.81.158.14364.81.158.14464.81.158.14564.81.158.14664.81.158.14764.81.158.14864.81.158.14964.81.158.15064.81.158.15164.81.158.15264.81.158.15364.81.158.15464.81.158.15564.81.158.15664.81.158.15764.81.158.15864.81.158.15964.81.158.160