Robtex

Up: 84.237.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 84.237.16.0/21
Down right: 84.237.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.237.18.33	A+PTR	katraz.buk.irk.ru
84.237.18.33	A	ns.buk.irk.ru
84.237.18.33	A	mail.buk.irk.ru
84.237.18.41	A	www.buk.irk.ru
84.237.18.129	A+PTR	earth.crust.irk.ru
84.237.18.129	A	crust.irk.ru
84.237.18.129	A	geomorphology.ru
84.237.18.133	PTR	gps.crust.irk.ru
84.237.19.0	PTR	zero.networks.istu.edu
84.237.19.2	PTR	lilu.istu.edu
84.237.19.2	PTR	relay2.istu.edu
84.237.19.2	PTR	lilu.istu.irk.ru
84.237.19.4	PTR	www.istu.edu
84.237.19.34	A+PTR	stalker.istu.edu
84.237.19.35	A+PTR	vds-1.istu.edu
84.237.19.35	A	baikalnano.ru
84.237.19.35	A	profcom.istu.edu
84.237.19.62	A+PTR	webz.istu.edu
84.237.19.62	A	www.irnitu.ru
84.237.19.62	A	www.istu.irk.ru
84.237.19.65	A	cisco.istu.edu
84.237.20.10	A	giscenter.icc.ru
84.237.20.10	A	irnok.net
84.237.20.17	PTR	isttu-gw.icc.ru
84.237.20.18	PTR	isttu.irk.ru
84.237.20.26	A	gw.irgups.ru
84.237.20.30	A	ns.igc.irk.ru
84.237.20.30	A	phobos.igc.irk.ru
84.237.20.42	A+PTR	sbamsr.irk.ru
84.237.20.42	A	ns.sbamsr.irk.ru
84.237.20.50	PTR	telescope50.iszf.irk.ru
84.237.20.58	A	argus.irioch.irk.ru
84.237.20.66	PTR	idstu.irk.ru
84.237.20.90	PTR	baikal-museum.icc.ru
84.237.20.134	A+PTR	e0-gw0.lin.irk.ru
84.237.20.134	A	proxy.lin.irk.ru
84.237.20.134	A	rln.lin.irk.ru
84.237.20.138	PTR	gw.iszf.irk.ru
84.237.20.139	PTR	mx.iszf.irk.ru
84.237.20.146	A+PTR	esi.irk.ru
84.237.20.146	A	www.esi.irk.ru
84.237.20.154	PTR	katraz.buk.irk.ru
84.237.20.158	A+PTR	irigs.irk.ru
84.237.20.162	PTR	licey17.irk.ru
84.237.20.162	A	vsfrap.irk.ru
84.237.20.162	A	nikolayev.me
84.237.21.1	A	cultura.irkutsk.ru
84.237.21.1	A	ru.iszf.irk.ru
84.237.21.1	A	en.true-audio.com
84.237.21.18	A	baikal-land.com
84.237.21.18	A	hawk.iszf.irk.ru
84.237.21.129	PTR	proxy.lin.irk.ru
84.237.21.129	A+PTR	srv01.lin.irk.ru
84.237.21.129	PTR	www.lin.irk.ru
84.237.21.162	A	int.lababiochem.ru
84.237.21.162	A	*.lababiochem.ru
84.237.21.163	A	int.lababiochem.ru
84.237.21.163	A	dvarec.net
84.237.22.2	A	sw1.sei.irk.ru
84.237.22.14	A	mx.sei.irk.ru
84.237.22.56	A	isem.irk.ru
84.237.22.56	A	sei.irk.ru
84.237.22.56	A	www.sei.irk.ru
84.237.22.81	A	mx.isem.irk.ru
84.237.22.81	A	mail.isem.irk.ru
84.237.22.129	A+PTR	vu.vsgao.com
84.237.22.129	A	vu.igpu.ru
84.237.22.130	A	isttu.irk.ru
84.237.22.130	A	matinf.igpu.ru
84.237.22.248	A+PTR	mail.vsgao.com
84.237.22.248	A	mail.igpu.ru
84.237.22.248	A	ns.vsgao.com
84.237.22.249	PTR	proxy.vsgao.com
84.237.23.19	A+PTR	homepages.isc.irk.ru
84.237.23.19	A	isc.irk.ru
84.237.23.19	A	www.isc.irk.ru
84.237.23.26	A	geos.icc.ru
84.237.23.47	A	astroparticle.online
84.237.23.47	A	www.astroparticle.online
84.237.23.47	A	hubzero.icc.ru
84.237.23.50	PTR	acheron.icc.ru
84.237.23.50	A	mail.icc.ru
84.237.23.50	A	ns1.icc.ru
84.237.23.56	PTR	dev.irnok.net
84.237.23.56	A	giscenter.icc.ru
84.237.23.56	A	irnok.net
84.237.24.1	A+PTR	mail.irigs.irk.ru
84.237.24.1	A	irigs.irk.ru
84.237.24.1	A	ns.irigs.irk.ru
84.237.25.2	A+PTR	mars.igc.irk.ru
84.237.25.3	A	igc.irk.ru
84.237.25.4	A	smtp-gw.igc.irk.ru
84.237.25.8	A	smtp-gw.igc.irk.ru
84.237.25.8	A	ftp.igc.irk.ru
84.237.25.65	PTR	ns.sifibr.irk.ru
84.237.25.65	A+PTR	sifibr.irk.ru
84.237.25.65	A+PTR	sifmain.sifibr.irk.ru
84.237.25.132	A	barsik.irioch.irk.ru
84.237.25.135	A	argus.irioch.irk.ru
84.237.25.145	A+PTR	atropos.irioch.irk.ru
84.237.27.1	PTR	irgups.ru
84.237.27.1	A+PTR	ns.irgups.ru
84.237.27.4	A	proxy.irgups.ru
84.237.27.5	A+PTR	sdo.irgups.ru
84.237.27.6	A+PTR	mailhub.irgups.ru
84.237.27.109	A+PTR	gw-billis.irgups.ru
84.237.27.110	PTR	vconf.irgups.ru.27.237.84.in-addr.arpa
84.237.27.111	A	nis.irgups.ru
84.237.27.113	PTR	vacc.irgups.ru
84.237.27.140	A+PTR	mail.irgups.ru
84.237.27.142	A	mail.irgups.ru
84.237.27.145	A	www.sibcol.ru
84.237.27.253	A	vacc.irgups.ru
84.237.30.103	A+PTR	blackford.icc.ru
84.237.30.104	A+PTR	tesla.icc.ru
84.237.30.104	A	hpc.icc.ru
84.237.30.105	A+PTR	mvs.icc.ru
84.237.31.1	PTR	bsc-gw-c3640.icc.ru
84.237.31.2	PTR	hella.icc.ru