AS3561 206.31.32.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.31.32.0/24206.31.33.0/24206.31.34.0/24206.31.35.0/24206.31.36.0/24206.31.37.0/24206.31.38.0/24206.31.39.0/24206.31.40.0/24206.31.41.0/24206.31.42.0/24206.31.43.0/24206.31.44.0/24206.31.45.0/24206.31.46.0/24206.31.47.0/24