AS3549 206.165.48.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048206.165.48.0/24206.165.49.0/24206.165.50.0/24206.165.51.0/24206.165.52.0/24206.165.53.0/24206.165.54.0/24206.165.55.0/24