Robtex

Up: 193.232.146.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.232.146.0/25
Down right: 193.232.146.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.232.146.0	PTR	nic-network
193.232.146.1	PTR	ns3-l2.nic.ru
193.232.146.1	A	ukoaudit.com
193.232.146.1	A	ns3.sixthousand.ru
193.232.146.5	A+PTR	ns3-l3.nic.ru
193.232.146.5	A	ns1.lerom.msk.ru
193.232.146.5	A	ns3-l3.nic.ru.avtotor.ru
193.232.146.9	A+PTR	ns3-l4.nic.ru
193.232.146.13	A+PTR	ns3-l5.nic.ru
193.232.146.13	A	ns3.rdns.as202806.net
193.232.146.13	A	ns.berlin.ru
193.232.146.65	A+PTR	ns3-fwl2.nic.ru
193.232.146.69	A+PTR	ns3-fwl3.nic.ru
193.232.146.73	A+PTR	ns3-fwl4.nic.ru
193.232.146.77	A+PTR	ns3-fwl5.nic.ru
193.232.146.150	A+PTR	ns3-geo.nic.ru
193.232.146.170	A+PTR	ns3-com.nic.ru
193.232.146.255	PTR	nic-network