AS3561 68.71.192.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 204868.71.192.0/2468.71.193.0/2468.71.194.0/2468.71.195.0/2468.71.196.0/2468.71.197.0/2468.71.198.0/2468.71.199.0/24