AS14233 66.43.16.0/21 CIDR and IP Range Summary.ASN: 14233 - Ancestry.com. Inc.Host Count: 2046Addressable IPs: 204866.43.16.0/2466.43.17.0/2466.43.18.0/2466.43.19.0/2466.43.20.0/2466.43.21.0/2466.43.22.0/2466.43.23.0/24