Robtex

Up: 83.167.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 83.167.16.0/21
Down right: 83.167.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.167.16.69	PTR	eugene.isnet.ru
83.167.16.103	A	own3dh4rd.com
83.167.16.111	A+PTR	comp.isnet.ru
83.167.16.138	A+PTR	mail.kdau.ru
83.167.16.138	A	mail.defmod.com
83.167.16.138	A	uralbidin.ru
83.167.16.251	A	brizovsky.ru
83.167.17.4	A	vrp.pressa66.ru
83.167.17.4	A	virp.vrp.pressa66.ru
83.167.17.165	PTR	business-center.tpt.su
83.167.17.165	A	mx1.diasan-dializ.ru
83.167.17.165	A	mx1.uphc.ru
83.167.18.13	PTR	railship.ru
83.167.18.53	A+PTR	lucky.isnet.ru
83.167.18.62	A+PTR	t-pay.isnet.ru
83.167.18.71	A	ns1.prospekt-ekb.ru
83.167.18.116	PTR	it-monolit.ru
83.167.18.181	A+PTR	st.isnet.ru
83.167.18.216	A+PTR	rodger.isnet.ru
83.167.19.12	A	r1.sn-pontn-n8ml.googlevideo.com
83.167.19.37	A+PTR	pavel.isnet.ru
83.167.19.47	A+PTR	wow.isnet.ru
83.167.19.139	PTR	animeshko.isnet.ru
83.167.19.178	A	alterbox.isnet.ru
83.167.19.237	A+PTR	iva.isnet.ru
83.167.19.249	A	sr.qm-s.com
83.167.19.249	A	mail.qm-s.com
83.167.20.99	PTR	elders.ru
83.167.20.99	A	mx.elders.ru
83.167.20.99	A	root.elders.ru
83.167.20.143	A+PTR	ugshk.ru
83.167.20.143	A+PTR	mxsv.ugshk.ru
83.167.20.173	A+PTR	mail.pkes.ru
83.167.20.209	A	ekb.netlabsystems.com
83.167.20.242	PTR	legioner.isnet.ru
83.167.20.252	PTR	sergey.isnet.ru
83.167.21.3	A	keys.isnet.ru
83.167.21.29	A	rasta.isnet.ru
83.167.21.79	PTR	work.t-pc.ru
83.167.21.87	A	dok.isnet.ru
83.167.21.125	PTR	happy-day.isnet.ru
83.167.21.137	A+PTR	popandopolos.isnet.ru
83.167.21.146	A+PTR	mail.velto.ru
83.167.21.147	A+PTR	euro.isnet.ru
83.167.21.147	A	globus.isnet.ru
83.167.21.230	A+PTR	shells.isnet.ru
83.167.22.3	A	crazy.isnet.ru
83.167.22.45	PTR	blacksee.isnet.ru
83.167.22.53	A	ekait.ru
83.167.22.53	A	ns.sanatin.ru
83.167.22.53	A	sanatin.ru
83.167.22.100	A	pvvking.ru
83.167.22.173	PTR	intranet.x-tensive.com
83.167.22.222	PTR	huxepa.isnet.ru
83.167.23.77	A	andrey.isnet.ru
83.167.23.104	PTR	mail.bella-ural.ru
83.167.23.111	A+PTR	tomcat.isnet.ru
83.167.23.158	A	ya.mseso.ru
83.167.23.164	PTR	gw.urcee.ru
83.167.23.164	A+PTR	relay.ymrc.ru
83.167.23.166	A	ungk.pro
83.167.23.166	A	www.ungk.pro
83.167.23.212	PTR	mail.uraltermosvar.ru
83.167.23.217	PTR	rosstour.ru
83.167.24.5	PTR	mail.profitrole.ru
83.167.24.5	A	server.mk66.ru
83.167.24.19	PTR	mail.yodlik.ru
83.167.24.39	PTR	sinara.isnet.ru
83.167.24.113	A+PTR	mail.parad.ru
83.167.24.139	A	mail.nevotex.ru
83.167.24.146	A+PTR	mm.isnet.ru
83.167.24.149	PTR	mail.ya-press.ru
83.167.24.149	A	vintery.isnet.ru
83.167.24.155	PTR	krovatka.isnet.ru
83.167.24.171	PTR	mail-internet.impart.ru
83.167.24.199	A	cs-super.com
83.167.24.207	A	alexsuvorov.ru
83.167.24.207	A	hostmaster.fun4u.ru
83.167.24.207	A	fun4u.ru
83.167.24.209	PTR	uo.groza.ru
83.167.24.218	A	mcgroza.com
83.167.24.218	A	superwolf.ru
83.167.24.218	A	alphacraft.ru
83.167.24.225	A+PTR	groza.ru
83.167.24.225	A	mail.groza.ru
83.167.24.225	A	xn--80afm1aj.xn--p1ai
83.167.24.235	PTR	oblako.info
83.167.26.22	A	bbsec.ru
83.167.26.40	A	impinc.isnet.ru
83.167.26.78	A	jeka.isnet.ru
83.167.26.200	A	pirat.isnet.ru
83.167.27.6	PTR	mail.nscekb.ru
83.167.27.11	A+PTR	server1.pisheprom.ru
83.167.27.11	A	mail.pisheprom.ru
83.167.27.27	A+PTR	unit.e-burg.ru
83.167.27.44	PTR	proxy.format.ru
83.167.27.45	A+PTR	mx1.boyard.biz
83.167.27.45	A	www.b-cp.ru
83.167.27.45	A	mail.boyard.biz
83.167.27.51	PTR	mail.fadural.ru
83.167.27.91	A	creox.ru
83.167.27.91	A	architech-rus.com
83.167.27.91	A	5sot.su
83.167.27.103	PTR	lotus.galaktika-ural.ru
83.167.27.108	PTR	mail.9trest-ekb.ru
83.167.27.111	PTR	prolak-e.ru
83.167.27.117	PTR	ns.icsurals.ru
83.167.27.145	PTR	gateway.mdmural.ru
83.167.27.146	PTR	pix.mdmural.ru
83.167.27.147	PTR	ns.mdmural.ru
83.167.28.121	A	adwords-shoping.ru
83.167.28.131	A	nks-d.ru
83.167.28.131	A	gw3.nks-d.ru
83.167.29.2	A+PTR	ugse.isnet.ru
83.167.29.98	PTR	kb-agava.ru
83.167.29.98	A	ns.xn--80aaabhe0c.xn--p1ai
83.167.29.98	A	erman.ru
83.167.29.124	A	wlife.su
83.167.29.196	A	nm101.tk
83.167.29.196	A	www.nm101.tk
83.167.30.18	PTR	uralrti.ru
83.167.30.18	PTR	gate.uralrti.ru
83.167.30.18	A	gate2.uralrti.ru
83.167.30.168	A	www.mf-apelsin.ru
83.167.31.85	A+PTR	mail.u-sk.ru
83.167.31.140	PTR	nevada.ueef.ru