AS3561 172.252.181.16/28 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 14Addressable IPs: 16 172.252.181.17172.252.181.18172.252.181.19172.252.181.20172.252.181.21172.252.181.22172.252.181.23172.252.181.24172.252.181.25172.252.181.26172.252.181.27172.252.181.28172.252.181.29172.252.181.30172.252.181.31172.252.181.32