AS3561 216.34.192.0/21 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 2046Addressable IPs: 2048216.34.192.0/24216.34.193.0/24216.34.194.0/24216.34.195.0/24216.34.196.0/24216.34.197.0/24216.34.198.0/24216.34.199.0/24