AS3561 216.34.48.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.34.48.0/24216.34.49.0/24216.34.50.0/24216.34.51.0/24216.34.52.0/24216.34.53.0/24216.34.54.0/24216.34.55.0/24