140.161.190.in-addr.arpa is a domain controlled by three nameservers at vtr.net. All of them are on different IP networks. mi.cl, 111.cl, vtr.cl, vtr.net, vtr.com and at least 57 other hosts share nameservers with this domain. 161.190.in-addr.arpa is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are also at vtr.net. All of them are on different IP networks.