AS3549 206.165.144.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048206.165.144.0/24206.165.145.0/24206.165.146.0/24206.165.147.0/24206.165.148.0/24206.165.149.0/24206.165.150.0/24206.165.151.0/24