164.134.192.in-addr.arpa is a domain controlled by three nameservers. All of them are on different IP networks. cru.fr, oca.eu, cma.fr, unice.fr, irisa.fr and at least 54 other hosts share nameservers with this domain. 134.192.in-addr.arpa is a domain controlled by five nameservers. Two of them are on the same IP network.