Robtex

Up: 83.137.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.137.53.0/25
Down right: 83.137.53.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.137.53.2	PTR	83.137.53.2.svnet.ru
83.137.53.3	PTR	smtp.11one.ru
83.137.53.3	A	mail.cvv.me
83.137.53.8	A	mail.iro-picassoi.ru
83.137.53.29	PTR	83.137.53.29.svnet.ru
83.137.53.41	A	fanimg.ru
83.137.53.55	PTR	83.137.53.55.svnet.ru
83.137.53.56	PTR	dominospizza.ru
83.137.53.58	PTR	devext.ru
83.137.53.58	A	smf.devext.ru
83.137.53.58	A	infinero.ru
83.137.53.73	PTR	83.137.53.73.svnet.ru
83.137.53.73	A	win.vivadengi.ru
83.137.53.73	A	zhivie-dengi.ru
83.137.53.77	PTR	83.137.53.77.svnet.ru
83.137.53.77	A	zoomcapital.ru
83.137.53.83	PTR	83.137.53.83.svnet.ru
83.137.53.83	A	zhivie-dengi.ru
83.137.53.83	A	dc.vivadengi.ru
83.137.53.87	A+PTR	mail.vivadengi.ru
83.137.53.112	A+PTR	90e.su
83.137.53.112	A	alpinfest.ru
83.137.53.112	A	spyder.su
83.137.53.113	PTR	83.137.53.113.svnet.ru
83.137.53.113	A	mhf.su
83.137.53.113	A	mail.mhf.su
83.137.53.121	PTR	83.137.53.121.svnet.ru
83.137.53.127	PTR	83.137.53.127.svnet.ru
83.137.53.127	A	www.avto-express.ru
83.137.53.128	PTR	83.137.53.128.svnet.ru
83.137.53.128	A	burke.jerry.euro.zarplata.ru
83.137.53.128	A	adcl.japan.zarplata.ru
83.137.53.131	PTR	83.137.53.131.svnet.ru
83.137.53.131	A	mail.zarplata.ru
83.137.53.132	A+PTR	mail.subscribe.dmir.ru
83.137.53.133	PTR	83.137.53.133.svnet.ru
83.137.53.133	A	mail.subscribe.zarplata.ru
83.137.53.137	PTR	83.137.53.137.svnet.ru
83.137.53.162	PTR	83.137.53.162.svnet.ru
83.137.53.166	PTR	83.137.53.166.svnet.ru
83.137.53.166	A	singapore.frame.pw
83.137.53.167	PTR	83.137.53.167.svnet.ru
83.137.53.167	A	philippines.frame.pw
83.137.53.174	PTR	83.137.53.174.svnet.ru
83.137.53.174	A	vivodengi.ru
83.137.53.174	A	cashberri.ru
83.137.53.175	PTR	83.137.53.175.svnet.ru
83.137.53.175	A	vivodengi.ru
83.137.53.175	A	cashberri.ru
83.137.53.176	PTR	83.137.53.176.svnet.ru
83.137.53.176	A	kerio.viva-dengi.ru
83.137.53.176	A	mail.consgp.ru
83.137.53.177	PTR	83.137.53.177.svnet.ru
83.137.53.177	A	mail.consgp.ru
83.137.53.211	PTR	83.137.53.211.svnet.ru
83.137.53.211	A	d4rk4.ru
83.137.53.211	A	ix.gs
83.137.53.212	A+PTR	css-lb.vl508.m77.msk.ix.gs
83.137.53.212	A	mail.motopo.st
83.137.53.212	A	motopo.st
83.137.53.214	PTR	83.137.53.214.svnet.ru
83.137.53.214	A	gamefreeware.ru
83.137.53.216	PTR	83.137.53.216.svnet.ru
83.137.53.216	A	unitherm.ru
83.137.53.217	PTR	83.137.53.217.svnet.ru
83.137.53.217	A	baota.ru
83.137.53.217	A	mail.rusneftehim.com
83.137.53.219	PTR	83.137.53.219.svnet.ru
83.137.53.219	A	getsave.ru
83.137.53.220	PTR	83.137.53.220.svnet.ru
83.137.53.220	A	8hq.ru
83.137.53.222	A+PTR	mail.mahankoff.ru
83.137.53.225	A	ns2.metalmedia.ru
83.137.53.226	PTR	83.137.53.226.svnet.ru
83.137.53.226	A	ns2.funkypunky.ru
83.137.53.228	PTR	83.137.53.228.svnet.ru
83.137.53.232	PTR	mail.trustserver.ru
83.137.53.234	PTR	83.137.53.234.svnet.ru
83.137.53.234	A	csx.su
83.137.53.238	PTR	jeka.msk.ru
83.137.53.241	A	singcity3d.com