64.212.64.in-addr.arpa is a domain controlled by four nameservers. All of them are on different IP networks. cph.com, quza.net, bmco.com, avid.com, gblx.net and at least 66 other hosts share nameservers with this domain. 212.64.in-addr.arpa is a domain controlled by five nameservers. All of them are on different IP networks.