64.176.15.196.in-addr.arpa is delegated to two nameservers, however two extra nameservers are listed in the zone. Some of them are on the same IP network. net.py, una.py, rr.net, org.py, gov.py and at least 85 other hosts share nameservers with this domain. 176.15.196.in-addr.arpa is a domain controlled by two nameservers at saix.net. They are on the same IP network.