Robtex

Up: 78.31.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 78.31.16.0/21
Down right: 78.31.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.31.16.3	A	c1941-perovsky.new-tc.ru
78.31.16.4	PTR	ar-trubn.new-tc.ru
78.31.16.5	PTR	kievskayac3550.new-tc.ru
78.31.16.17	PTR	c881-marshtimos.new-tc.ru
78.31.16.19	PTR	c881-zarayskaya.new-tc.ru
78.31.16.20	PTR	ar-murav.new-tc.ru
78.31.16.150	PTR	mail.sladskaz.ru
78.31.16.150	A	mx.sladskaz.ru
78.31.16.150	A	mail.makgum.ru
78.31.17.22	PTR	mx.unit-org.ru
78.31.17.38	A+PTR	mailo.instplast.ru
78.31.17.38	A	ns1.instplast.ru
78.31.17.146	A	bgaudio.ru
78.31.17.146	A	www.magitel.ru
78.31.17.146	A	www.indoortv.biz
78.31.17.205	PTR	ar-pyat.new-tc.ru
78.31.17.209	PTR	ar-ilmensk.new-tc.ru
78.31.17.210	A	gw.ppi.ru
78.31.17.211	A	ns.ppi.ru
78.31.17.211	A	mail.ppi.ru
78.31.17.214	A	direct.ppi.ru
78.31.17.225	A+PTR	ar-koatek.new-tc.ru
78.31.18.50	PTR	mail.spektrchem.ru
78.31.18.82	A	dealer.grafitec.ru
78.31.18.99	A+PTR	mail.industek.ru
78.31.18.100	A+PTR	mail.zaoegs.ru
78.31.18.108	PTR	mail.vegalon.ru
78.31.18.108	A	m.vegalon.ru
78.31.18.166	A	xn--h1abifpfhc6g.xn--p1ai
78.31.18.211	PTR	mx.unit-org.ru
78.31.18.218	A	volkova-cat3550.new-tc.ru
78.31.18.226	PTR	mail.ruperti.ru
78.31.19.2	A+PTR	eraser.spektronika.ru
78.31.19.2	A	mail.agrospektr.ru
78.31.19.18	PTR	sc.terem.ru
78.31.19.18	PTR	xwcp-35.terem.ru
78.31.19.18	PTR	xwc5632.service.terem.ru
78.31.19.90	PTR	mail2.safary.ru
78.31.19.174	A	paintyard.ru
78.31.19.174	A	www.paintyard.ru
78.31.19.242	PTR	mail.sladskaz.ru
78.31.19.244	PTR	fox.assopt.ru
78.31.20.6	A+PTR	ntk-mail01.snezhanafood.ru
78.31.20.10	A+PTR	post.ndklab.ru
78.31.20.10	A	*.ndklab.ru
78.31.20.18	A	ns2.parcelshops.ru
78.31.20.18	A	ns2.770077.ru
78.31.20.18	A	mail.b2c-russia.com
78.31.20.20	PTR	mail5.parcelshops.ru
78.31.20.34	PTR	mx1.createmedia.ru
78.31.20.45	A+PTR	felix.egida.info
78.31.20.50	A+PTR	mx1.grafitec.ru
78.31.20.50	A	main.grafitec.ru
78.31.20.62	PTR	mail2.b2c-russia.com
78.31.20.90	A	mail.komandir.ru
78.31.20.106	A	sun.beatrix.ru
78.31.20.218	A+PTR	mail.igrushkame.ru
78.31.20.218	A+PTR	mail.tngtoys.ru
78.31.20.218	A+PTR	mail.leto.msk.ru
78.31.20.219	PTR	swhite.ru
78.31.20.219	PTR	mail.swhite.ru
78.31.20.220	PTR	abtoys.ru
78.31.20.220	PTR	igrushkame.ru
78.31.20.220	PTR	tngtoys.ru
78.31.20.242	A	sdbcomplex.ru
78.31.21.1	PTR	ar-monotek.new-tc.ru
78.31.21.12	PTR	c3550-dokuk.new-tc.ru
78.31.21.14	PTR	ar-gidromekhanika.new-tc.ru
78.31.21.15	PTR	ar-zika.new-tc.ru
78.31.21.30	A+PTR	mail.dgordienko.ru
78.31.21.58	PTR	zyxel-milashenkova.new-tc.ru
78.31.21.58	A	abc-logistika.com
78.31.21.134	A+PTR	mail.komandir.ru
78.31.21.138	A	pilot-auto.net
78.31.21.194	A+PTR	mail.mallst.ru
78.31.21.218	A+PTR	mschq-svr-03r.prologics.ru
78.31.22.186	A	ntk-mail01.snezhanafood.ru
78.31.22.210	A	alphaone.ru
78.31.23.8	PTR	ar-test.new-tc.ru
78.31.23.66	PTR	mx.dccap.ru
78.31.23.67	A	dccapital.ru
78.31.23.109	PTR	ar-korol.new-tc.ru
78.31.23.116	PTR	ost.vid.ru
78.31.23.154	PTR	mail.monte-valle.com
78.31.23.162	A	mail.csmedica.ru
78.31.23.164	PTR	csmedica.ru
78.31.23.164	A	csdeskwork.ru
78.31.23.193	PTR	c3750-1.new-tc.ru
78.31.23.194	A+PTR	noc.new-tc.ru
78.31.23.194	A	new-tc.ru
78.31.23.195	A+PTR	ns1.new-tc.ru
78.31.23.195	PTR	oracle.new-tc.ru
78.31.23.195	A	ns1.zentarim.name
78.31.23.196	PTR	mail.new-tc.ru
78.31.23.196	PTR	ns.new-tc.ru
78.31.23.196	PTR	service.new-tc.ru
78.31.23.208	PTR	ar-chalabi.new-tc.ru
78.31.23.242	PTR	ar750-m9.new-tc.ru
78.31.23.245	A	c7301.new-tc.ru
78.31.24.12	A+PTR	extranetodbc.i.cz
78.31.25.5	PTR	sdtestatt.i.cz
78.31.25.10	A+PTR	vpn.i.cz
78.31.25.33	A+PTR	fw1.i.cz
78.31.25.34	PTR	fw2.i.cz
78.31.25.35	A+PTR	fw3.i.cz
78.31.25.36	A+PTR	fw4.i.cz
78.31.25.37	A	fw5.i.cz
78.31.25.66	A+PTR	ns.i.cz
78.31.25.129	A+PTR	kamna.i.cz
78.31.25.131	A+PTR	altex.i.cz
78.31.25.133	A+PTR	s2-mlab.i.cz
78.31.25.133	A	s2.mlab.cz
78.31.25.144	PTR	spisovka-exprit.i.cz
78.31.25.145	A+PTR	spsliteap.i.cz
78.31.26.6	A+PTR	www.gallery.cz
78.31.26.10	A	karta.rzp.cz
78.31.26.11	A	i.rzp.cz
78.31.26.12	A	sdpt.i.cz
78.31.26.13	A	sdpn.i.cz
78.31.26.17	A+PTR	agama.i.cz
78.31.26.19	A+PTR	adax.i.cz
78.31.26.23	A	msz.qmshc.cz
78.31.26.42	A+PTR	mx2.vse.cz
78.31.26.50	A+PTR	antibot.cz
78.31.26.50	A+PTR	www.antibot.cz
78.31.26.105	A	ftp.i.cz
78.31.26.115	A	www.amaio.com
78.31.26.115	A	spravadokumentu.cz
78.31.26.115	A	icz.eu
78.31.26.174	A+PTR	ipbx.i.cz
78.31.27.2	A+PTR	vidle.i.cz
78.31.27.2	A	vidle.icz.cz
78.31.27.3	A+PTR	vidle1.i.cz
78.31.27.52	A+PTR	oriondrac.i.cz
78.31.27.54	A+PTR	mintaka.i.cz
78.31.27.56	A	sklady.i.cz
78.31.27.56	A	kopra.i.cz
78.31.27.83	A+PTR	ucproxy.i.cz
78.31.27.161	A	www.crv-md.cz
78.31.27.161	A	crv-md.cz
78.31.27.162	A+PTR	rt.i.cz
78.31.27.164	A+PTR	sdatt.i.cz
78.31.27.178	PTR	sdtestweb.i.cz
78.31.27.179	A+PTR	sdtestatt.i.cz
78.31.27.181	A	icz.eu
78.31.27.181	A	digitalniurad.cz
78.31.27.181	A	iczgroup.com
78.31.27.187	A	www.amaio.com
78.31.27.194	A+PTR	veronika.i.cz
78.31.27.195	A	numvirt.i.cz
78.31.27.210	A	kk.i.cz
78.31.27.234	PTR	s2.mlab.cz
78.31.27.235	A+PTR	sec.i.cz
78.31.27.244	A	penetrak.i.cz
78.31.28.42	A+PTR	vkonference-opa.i.cz
78.31.29.27	A	sdpn.i.cz