Robtex

Up: 91.221.162.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.221.162.0/25
Down right: 91.221.162.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.221.162.1	PTR	gw-as.lightsoft.ru
91.221.162.2	PTR	tophotels.ru
91.221.162.11	A	hosting.lightsoft.ru
91.221.162.13	PTR	advbroker.ru
91.221.162.14	PTR	pg50.b.ls1.ru
91.221.162.14	A	istat.ru
91.221.162.14	A	hotelsinspector.com
91.221.162.15	PTR	jabber.lightsoft.ru
91.221.162.15	A	ru.spage.ru
91.221.162.15	A	*.spage.ru
91.221.162.16	PTR	agentpassport.ru
91.221.162.17	PTR	lst36.lightsoft.ru
91.221.162.17	A	www.233.ru
91.221.162.17	A	atwork.ru
91.221.162.21	PTR	allspo.ru
91.221.162.22	A+PTR	mail.lightsoft.ru
91.221.162.22	A	mail.mtour.ru
91.221.162.22	A	mail.softwares.ru
91.221.162.23	A+PTR	smtp-lst.lbc.ru
91.221.162.24	PTR	netlog.ru
91.221.162.26	PTR	sender.lbc.ru
91.221.162.29	PTR	support2.ls1.ru
91.221.162.29	A	ereception.com
91.221.162.30	PTR	stat.vsespo.ru
91.221.162.34	PTR	hotelbook.ru
91.221.162.36	PTR	mtourindex.ru
91.221.162.39	PTR	j.tourmanager.ru
91.221.162.39	A	mmstophotels.ru
91.221.162.39	A	hoteldealer.com
91.221.162.43	A	openvpn.lbc.ru
91.221.162.44	A+PTR	ns3.lightsoft.ru
91.221.162.44	A	ns3.travelhost.ru
91.221.162.44	A	ns3.hotelsdemo.ru
91.221.162.45	A	*.allavia.ru
91.221.162.58	PTR	as-lst58.lightsoft.ru
91.221.162.62	PTR	as-lst62.lightsoft.ru
91.221.162.99	PTR	sender.lbc.ru
91.221.162.129	PTR	as-lst129.lightsoft.ru
91.221.162.154	PTR	as-lst154.lightsoft.ru
91.221.162.154	A	smtp.tophotels.ru
91.221.162.165	A	calltravel.ru
91.221.162.165	A	visainform.ru
91.221.162.165	A	www.carsrent.ru
91.221.162.181	PTR	as-lst181.lightsoft.ru
91.221.162.202	PTR	as-lst202.lightsoft.ru
91.221.162.232	PTR	as-lst232.lightsoft.ru
91.221.162.232	A	*.lightsoft.biz
91.221.162.232	A	*.ru.227.ru