AS3257 81.188.216.144/28 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 14Addressable IPs: 16 81.188.216.14581.188.216.14681.188.216.14781.188.216.14881.188.216.14981.188.216.15081.188.216.15181.188.216.15281.188.216.15381.188.216.15481.188.216.15581.188.216.15681.188.216.15781.188.216.15881.188.216.15981.188.216.160