Robtex

Up: 194.190.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.190.138.0/25
Down right: 194.190.138.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.190.138.31	A+PTR	school.relarn.ru
194.190.138.31	A	fire.relarn.ru
194.190.138.31	A	newciv.relarn.ru
194.190.138.71	A+PTR	flex.cctld.ru
194.190.138.151	PTR	relarn.ioso.ru
194.190.138.171	PTR	main.sao.ru