Robtex

Up: 89.208.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.208.43.0/25
Down right: 89.208.43.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.208.43.2	PTR	mail.icvector.ru
89.208.43.3	PTR	mail.icvector.ru
89.208.43.3	A	farformarket.ru
89.208.43.6	A+PTR	lyra2.li.ru
89.208.43.40	PTR	depohost.ru
89.208.43.48	PTR	livecontact.ru
89.208.43.69	A	xn--80aabnf2acedrkb6c8g.xn--p1ai
89.208.43.69	A	skolkovoinvest.ru
89.208.43.69	A	rebilling.ru
89.208.43.70	A+PTR	mars.usn.ru
89.208.43.70	A	ns3.usn.ru
89.208.43.70	A	usn.ru
89.208.43.74	PTR	msm.pirit.info
89.208.43.74	A	slms.ru
89.208.43.92	PTR	fobos.usn.ru
89.208.43.92	A	mssl.ru
89.208.43.92	A	usn-computers.ru
89.208.43.96	PTR	relay.b-k.ru
89.208.43.96	A	relay.bcons.ru
89.208.43.100	PTR	mef.rrv.ru
89.208.43.101	PTR	mail.rrv.ru
89.208.43.117	PTR	smtp.rosautoprom.ru
89.208.43.121	PTR	mail.multihosts.ru
89.208.43.128	PTR	warp.mypuk.ru
89.208.43.164	PTR	mail.silversite.ru
89.208.43.192	A+PTR	moon.usn.ru
89.208.43.195	A	mail4.timeout.ru
89.208.43.216	PTR	mail.zz1.ru
89.208.43.231	PTR	den.rrv.ru
89.208.43.238	A	video.platformcraft.ru