AS22561 216.166.248.0/21 CIDR and IP Range Summary.ASN: 22561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.166.248.0/24216.166.249.0/24216.166.250.0/24216.166.251.0/24216.166.252.0/24216.166.253.0/24216.166.254.0/24216.166.255.0/24