AS3561 206.24.16.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096206.24.16.0/24206.24.17.0/24206.24.18.0/24206.24.19.0/24206.24.20.0/24206.24.21.0/24206.24.22.0/24206.24.23.0/24206.24.24.0/24206.24.25.0/24206.24.26.0/24206.24.27.0/24206.24.28.0/24206.24.29.0/24206.24.30.0/24206.24.31.0/24