AS22561 75.121.96.0/21 CIDR and IP Range Summary.ASN: 22561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204875.121.96.0/2475.121.97.0/2475.121.98.0/2475.121.99.0/2475.121.100.0/2475.121.101.0/2475.121.102.0/2475.121.103.0/24