AS36149 72.253.64.0/21 CIDR and IP Range Summary.ASN: 36149 - Hawaiian Telcom Services Company Inc.Host Count: 2046Addressable IPs: 204872.253.64.0/2472.253.65.0/2472.253.66.0/2472.253.67.0/2472.253.68.0/2472.253.69.0/2472.253.70.0/2472.253.71.0/24