32.16.206.in-addr.arpa is a domain controlled by six nameservers. All of them are on different IP networks. tix.ch, cibc.ca, difc.ae, cibc.com, nbty.com and at least 19 other hosts share nameservers with this domain. 16.206.in-addr.arpa is a domain controlled by four nameservers. Some of them are on the same IP network.