68.88.84.in-addr.arpa is a domain controlled by two nameservers at cesca.es. They are on the same IP network. es, icc.es, uic.es, uic.cat, udg.edu and at least 57 other hosts share nameservers with this domain. 88.84.in-addr.arpa is a domain controlled by three nameservers. Two of them are on the same IP network.