AS3549 216.110.72.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048216.110.72.0/24216.110.73.0/24216.110.74.0/24216.110.75.0/24216.110.76.0/24216.110.77.0/24216.110.78.0/24216.110.79.0/24