254.53.161.in-addr.arpa is a domain controlled by two nameservers at srce.hr. They are on the same IP network. cix.hr, vms.hr, sci.hr, mvp.hr, nic.hr and at least 64 other hosts share nameservers with this domain. 53.161.in-addr.arpa is a domain controlled by three nameservers. Two of them are on the same IP network.