AS3549 206.165.72.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048206.165.72.0/24206.165.73.0/24206.165.74.0/24206.165.75.0/24206.165.76.0/24206.165.77.0/24206.165.78.0/24206.165.79.0/24