AS6181 66.117.216.0/21 CIDR and IP Range Summary.ASN: 6181 - Cincinnati Bell Telephone Company LLCHost Count: 2046Addressable IPs: 204866.117.216.0/2466.117.217.0/2466.117.218.0/2466.117.219.0/2466.117.220.0/2466.117.221.0/2466.117.222.0/2466.117.223.0/24