AS3561 216.35.16.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 4096216.35.16.0/24216.35.17.0/24216.35.18.0/24216.35.19.0/24216.35.20.0/24216.35.21.0/24216.35.22.0/24216.35.23.0/24216.35.24.0/24216.35.25.0/24216.35.26.0/24216.35.27.0/24216.35.28.0/24216.35.29.0/24216.35.30.0/24216.35.31.0/24