AS21565 66.153.182.192/29 CIDR and IP Range Summary.ASN: 21565 - Horry Telephone Cooperative Inc.Host Count: 6Addressable IPs: 8 66.153.182.19366.153.182.19466.153.182.19566.153.182.19666.153.182.19766.153.182.19866.153.182.19966.153.182.200