AS3561 66.100.112.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409666.100.112.0/2466.100.113.0/2466.100.114.0/2466.100.115.0/2466.100.116.0/2466.100.117.0/2466.100.118.0/2466.100.119.0/2466.100.120.0/2466.100.121.0/2466.100.122.0/2466.100.123.0/2466.100.124.0/2466.100.125.0/2466.100.126.0/2466.100.127.0/24