AS3561 216.91.32.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.91.32.0/24216.91.33.0/24216.91.34.0/24216.91.35.0/24216.91.36.0/24216.91.37.0/24216.91.38.0/24216.91.39.0/24216.91.40.0/24216.91.41.0/24216.91.42.0/24216.91.43.0/24216.91.44.0/24216.91.45.0/24216.91.46.0/24216.91.47.0/24