Robtex

Up: 91.235.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 91.235.42.0/24
Down right: 91.235.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.235.42.98	A+PTR	server98.it08.ru
91.235.42.98	A	ns3.it08.ru
91.235.42.98	A	server124.it08.ru
91.235.42.99	PTR	server99.it08.ru
91.235.42.100	A	server119.it08.ru
91.235.42.101	A	halmgynn.rk08.ru
91.235.42.101	A	mail.zapovednik-chernyezemli.ru
91.235.42.101	A	mail.halmgynn.rk08.ru
91.235.42.107	A+PTR	server107.it08.ru
91.235.42.108	PTR	server108.it08.ru
91.235.42.108	A	kalmpriroda.ru
91.235.42.108	A	www.kalmregion.ru
91.235.43.2	A+PTR	xsrv.xor.ro
91.235.43.2	PTR	xmail.xor.ro
91.235.43.2	A	wts.xor.ro
91.235.43.13	PTR	mail.expertone.ro
91.235.43.13	A	expertone.ro
91.235.43.20	A	handsoneducation.ro