102.67.66.in-addr.arpa is a domain controlled by two nameservers at nyroc.rr.com. They are on the same IP network. ne.rr.com, mass.rr.com, nycap.rr.com, nebiz.rr.com, twcny.rr.com and at least 55 other hosts share nameservers with this domain. 67.66.in-addr.arpa is delegated to four nameservers, however one delegated nameserver is missing in the zone and two other nameservers are listed. All nameservers are at rr.com. Some of them are on the same IP network.