Robtex

Up: 78.138.188.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 78.138.188.0/24
Down right: 78.138.189.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.138.188.129	A	centrall.nkamsk.ru
78.138.188.129	A	nkamsk.ru
78.138.188.129	A	central.nkamsk.ru
78.138.189.2	PTR	78.138.189.2
78.138.189.2	A	tng-group.ru
78.138.189.10	PTR	10.189.138.78.in-addr.arpa
78.138.189.40	PTR	40.189.138.78.in-addr.arpa
78.138.189.41	A	ldsystem.ru
78.138.189.51	PTR	78.138.189.51
78.138.189.60	PTR	60.189.138.78.in-addr.arpa
78.138.189.127	A+PTR	mail.tatritual.ru
78.138.189.127	A	tatritual.ru
78.138.189.141	PTR	141.189.138.78.in-addr.arpa
78.138.189.141	A	mx.oknolegko.ru
78.138.189.172	PTR	172.189.138.78.in-addr.arpa
78.138.189.175	PTR	175.189.138.78.in-addr.arpa
78.138.189.180	PTR	180.189.138.78.in-addr.arpa
78.138.189.201	PTR	78.138.189.201
78.138.189.235	A+PTR	mail.nponts.ru
78.138.189.246	PTR	246.189.138.78.in-addr.arpa