AS21565 66.153.189.112/28 CIDR and IP Range Summary.ASN: 21565 - Horry Telephone Cooperative Inc.Host Count: 14Addressable IPs: 16 66.153.189.11366.153.189.11466.153.189.11566.153.189.11666.153.189.11766.153.189.11866.153.189.11966.153.189.12066.153.189.12166.153.189.12266.153.189.12366.153.189.12466.153.189.12566.153.189.12666.153.189.12766.153.189.128