184.45.193.in-addr.arpa is delegated to two nameservers, however three extra nameservers are listed in the zone. All nameservers are at telia.se. Some of them are on the same IP network. di.se, sdc.se, dof.se, r-adn.net, midroc.net and at least 52 other hosts share nameservers with this domain. 217.184.45.193.in-addr.arpa are subdomains to this hostname. 45.193.in-addr.arpa is a domain controlled by three nameservers. Two of them are on the same IP network.