AS13649 66.51.0.0/21 CIDR and IP Range Summary.ASN: 13649 - Flexential Colorado Corp.Host Count: 2046Addressable IPs: 204866.51.0.0/2466.51.1.0/2466.51.2.0/2466.51.3.0/2466.51.4.0/2466.51.5.0/2466.51.6.0/2466.51.7.0/24