AS3561 72.35.16.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409672.35.16.0/2472.35.17.0/2472.35.18.0/2472.35.19.0/2472.35.20.0/2472.35.21.0/2472.35.22.0/2472.35.23.0/2472.35.24.0/2472.35.25.0/2472.35.26.0/2472.35.27.0/2472.35.28.0/2472.35.29.0/2472.35.30.0/2472.35.31.0/24