AS3257 204.237.229.144/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 204.237.229.145204.237.229.146204.237.229.147204.237.229.148204.237.229.149204.237.229.150204.237.229.151204.237.229.152204.237.229.153204.237.229.154204.237.229.155204.237.229.156204.237.229.157204.237.229.158204.237.229.159204.237.229.160