AS3257 208.97.228.128/29 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 6Addressable IPs: 8 208.97.228.129208.97.228.130208.97.228.131208.97.228.132208.97.228.133208.97.228.134208.97.228.135208.97.228.136