AS3549 66.192.64.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 204866.192.64.0/2466.192.65.0/2466.192.66.0/2466.192.67.0/2466.192.68.0/2466.192.69.0/2466.192.70.0/2466.192.71.0/24