106.156.in-addr.arpa is a domain controlled by three nameservers. All of them are on different IP networks. bt, cm, ucc.ie, jml.ch, itu.ch and at least 93 other hosts share nameservers with this domain. 192.106.156.in-addr.arpa are subdomains to this hostname. 156.in-addr.arpa is a domain controlled by seven nameservers at arin.net. All of them are on different IP networks.