AS3561 216.91.0.0/19 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 8190Addressable IPs: 8192216.91.0.0/24216.91.1.0/24216.91.2.0/24216.91.3.0/24216.91.4.0/24216.91.5.0/24216.91.6.0/24216.91.7.0/24216.91.8.0/24216.91.9.0/24216.91.10.0/24216.91.11.0/24216.91.12.0/24216.91.13.0/24216.91.14.0/24216.91.15.0/24216.91.16.0/24216.91.17.0/24216.91.18.0/24216.91.19.0/24216.91.20.0/24216.91.21.0/24216.91.22.0/24216.91.23.0/24216.91.24.0/24216.91.25.0/24216.91.26.0/24216.91.27.0/24216.91.28.0/24216.91.29.0/24216.91.30.0/24216.91.31.0/24