Robtex

Up: 84.42.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 84.42.32.0/20
Down right: 84.42.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.42.32.0	PTR	host-84-42-32-x.tts.debryansk.ru
84.42.32.192	PTR	host-84-42-32-x.tts.debryansk.ru
84.42.32.225	PTR	host-84-42-32-x.tts.debryansk.ru
84.42.32.227	PTR	host-84-42-32-x.tts.debryansk.ru
84.42.33.26	A	zaples.ru
84.42.33.46	A	mx5.pg32.ru
84.42.33.58	A+PTR	bryanskelectro.ru
84.42.33.58	A	mx.bryanskoblelectro.ru
84.42.33.58	A	mx.bryanskelectro.ru
84.42.33.98	A	www.napriem.info
84.42.33.98	A	napriem.info
84.42.33.106	PTR	biub.debryansk.ru
84.42.33.106	A	www.biub.ru
84.42.33.106	A	biub.ru
84.42.33.114	PTR	mx.bryanskoblfin.ru
84.42.33.138	PTR	ns1.moyareklama.ru
84.42.33.138	A	mx.xn--80aanufdels3m.com
84.42.33.138	A	mx.tvm24.ru
84.42.33.178	PTR	mail.rusalians.com
84.42.33.189	A+PTR	gro32.ru
84.42.33.189	A	mail.gro32.ru
84.42.33.202	A+PTR	bryansksrv.bryansk.rshb.ru
84.42.34.2	PTR	host-84-42-34-x.tts.debryansk.ru
84.42.34.2	A	speedtest.k-nt.ru
84.42.36.1	PTR	host-84-42-36-x.tts.debryansk.ru
84.42.39.75	PTR	mx.nanoav.ru
84.42.39.75	A	mx.nano-av.com
84.42.39.75	A	www.mcode.ru
84.42.39.77	PTR	gate.nanoav.ru
84.42.39.78	A+PTR	mail.mcode.ru
84.42.39.126	A	mx.nntbryansk.ru
84.42.39.126	A	nntbryansk.ru
84.42.40.54	A	ns3.ak-32.ru
84.42.40.54	A	ns3.steklo-holding.ru
84.42.40.54	A	mx.bhs32.ru
84.42.40.74	A+PTR	mx.bpmes.debryansk.ru
84.42.40.74	A	bpmes.debryansk.ru
84.42.40.126	A+PTR	mx.bkdc.ru
84.42.40.126	A	bkdc.ru
84.42.40.126	A	stalker.bkdc.ru
84.42.40.138	A+PTR	rucard.debryansk.ru
84.42.40.226	A+PTR	mx.libryansk.ru
84.42.40.226	A+PTR	mx.scilib.debryansk.ru
84.42.40.226	A	libryansk.ru
84.42.41.226	PTR	net-84-42-41-0.tts.debryansk.ru
84.42.41.226	A	mx.avenue-peugeot.ru
84.42.41.234	A	mail.elektrodetal.com
84.42.41.234	A	mx1.elektrodetal.com
84.42.42.18	A	inet.oaobks.ru
84.42.42.18	A	inet1.oaobks.ru
84.42.42.46	A	mail.bryansk-vw.ru
84.42.42.46	A	mail.mb-bryansk.ru
84.42.42.46	A	mb-bryansk.ru
84.42.42.50	A	www.dudan.ru
84.42.42.114	A	ns.moyareklama.ru
84.42.42.138	A	www.rirc.ru
84.42.42.138	A	mail1.rirc.ru
84.42.43.2	A	mail.bpmes.032.ru
84.42.43.10	A	mail.bryanskselmash.ru
84.42.43.43	A	parosila.ru
84.42.43.43	A	kolyaski32.ru
84.42.43.43	A	advokat-ms.ru
84.42.43.162	A+PTR	gw.bryankonfi.ru
84.42.43.162	A	mx.bryankonfi.com
84.42.43.162	A	mx.bryankonfi.su
84.42.44.18	PTR	mx0.rosp.bryansk.ru
84.42.44.86	A+PTR	lotus.bryansk.quadra.ru
84.42.44.86	A	bryansk.quadra.ru
84.42.44.98	A+PTR	gb1.debryansk.ru
84.42.44.150	PTR	mx.sb.debryansk.ru
84.42.44.150	A	sb.debryansk.ru
84.42.44.242	A	mail.bnmotors.ru
84.42.44.243	PTR	mail.bnmotors.ru
84.42.44.244	PTR	mail.bnmotors.ru
84.42.44.244	A	mail.gap-ltd.com
84.42.45.8	A	mx2.brkmed.ru
84.42.45.21	PTR	relay.rirc.ru
84.42.45.27	PTR	mx.technorynok.ru
84.42.45.27	A	ns.grig.technorynok.ru
84.42.45.64	PTR	mx.avto.technorynok.ru
84.42.45.68	A+PTR	mx.efoods.debryansk.ru
84.42.45.72	A+PTR	mx.grig.technorynok.ru
84.42.45.72	A	ns2.avto.technorynok.ru
84.42.45.72	A	ns2.grig.technorynok.ru
84.42.45.125	A	mx1.metrs.ru
84.42.45.126	A+PTR	mail.rabota-bryanskobl.ru
84.42.45.167	A	mx.muho.ru
84.42.45.176	A	mx.ksprod.ru
84.42.45.184	A	rccsbo.ru
84.42.46.10	A	edinprom.ru
84.42.46.31	A	pfrf.org
84.42.46.55	A	mx2.volvo-m3.ru
84.42.46.55	A	volvo-m3.ru
84.42.46.55	A	ns.volvo-m3.ru
84.42.46.82	A	uncrb.ru
84.42.46.137	A	kletnya.net
84.42.47.9	A	mx.it-help32.ru
84.42.47.30	A	mx.boib-32.ru
84.42.47.34	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.35	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.37	A	ns2.korvit.ru
84.42.47.40	A	ftp.dyatkovo.ru
84.42.47.40	A	mail.dyatkovo.ru
84.42.47.78	A	ns.vimcomservice.ru
84.42.47.78	A	vimcomservice.ru
84.42.47.78	A	mx.vimcomservice.ru
84.42.47.91	A	mail.gss-br.ru
84.42.47.129	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.130	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.131	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.157	A	magicpast.net
84.42.47.157	A	wiki-trade.info
84.42.47.160	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.180	A	mx2.bryanskenergo.ru
84.42.47.180	A	ns2.bryanskenergo.ru
84.42.47.192	PTR	net-84.42.47.tts.debryansk.ru
84.42.47.226	PTR	net-84.42.47.tts.debryansk.ru
84.42.48.10	A+PTR	ns.debryansk.ru
84.42.48.18	A+PTR	as3845m.tts.debryansk.ru
84.42.48.54	PTR	as5350c.tts.debryansk.ru
84.42.48.98	A+PTR	smtp.debryansk.ru
84.42.48.110	A	mx.noc.brsi.ru
84.42.49.66	A+PTR	mx.hq.b-edu.ru
84.42.49.66	A	ns1.b-edu.ru
84.42.49.66	A	mx1.edu.debryansk.ru
84.42.49.86	A+PTR	mx.bryanskobl.ru
84.42.49.90	PTR	mx.sch.b-edu.ru
84.42.49.102	A+PTR	mx.hq.brsi.ru
84.42.49.102	A+PTR	mx.hq.br.center.rt.ru
84.42.49.126	A	edu32.ru
84.42.49.126	A	hq.b-edu.ru
84.42.50.30	A+PTR	mx.debryansk.ru
84.42.50.30	A+PTR	ns2.debryansk.ru
84.42.50.30	A	mamadolce.ru
84.42.50.118	A+PTR	mx.lucky.debryansk.ru
84.42.50.118	A	lucky.debryansk.ru
84.42.50.123	A	www.bgsha.com
84.42.50.138	A	dcrystal.debryansk.ru
84.42.50.182	A	santehlit.debryansk.ru
84.42.50.230	A+PTR	moon.r-style.ru
84.42.51.46	A+PTR	mx1.bfarm.ru
84.42.51.50	A+PTR	mx.bizon-m.debryansk.ru
84.42.51.137	A	xn--32-7lc6ak.xn--p1ai
84.42.51.148	A	xn--90asehmeeq.xn--p1ai
84.42.51.245	A+PTR	mx.cit.br.center.rt.ru
84.42.51.245	A	ns1.br.center.rt.ru
84.42.52.17	A	tehprom.debryansk.ru
84.42.52.18	A+PTR	mx.tehmet.debryansk.ru
84.42.52.18	A	tehmet.debryansk.ru
84.42.52.34	A+PTR	mx.gnk.debryansk.ru
84.42.52.34	A	gnk.debryansk.ru
84.42.52.56	A+PTR	gorvodokanal.debryansk.ru
84.42.52.56	A	mx.gorvodokanal.debryansk.ru
84.42.52.64	A	vz111.debryansk.ru
84.42.52.70	A	mx.minimed.debryansk.ru
84.42.52.83	A	weather.debryansk.ru
84.42.52.96	A	limesoftware.debryansk.ru
84.42.52.107	A	rosbank36.debryansk.ru
84.42.52.111	A	eeh.debryansk.ru
84.42.52.163	A	justice.debryansk.ru
84.42.52.173	A+PTR	rosbank.debryansk.ru
84.42.52.173	A	mx.rosbank.debryansk.ru
84.42.52.188	PTR	itadvisor.ru
84.42.52.254	A+PTR	mx.otchet.debryansk.ru
84.42.52.254	A	otchet.debryansk.ru
84.42.53.3	PTR	mx.iso.debryansk.ru
84.42.53.3	A	iso.debryansk.ru
84.42.53.5	PTR	mx.vodka.debryansk.ru
84.42.53.65	A+PTR	mx.bmpk.debryansk.ru
84.42.53.65	A	bmpk.debryansk.ru
84.42.53.113	PTR	mail.tsar-mebel.ru
84.42.53.115	PTR	reg32.roszdravnadzor.ru
84.42.53.175	A	sem.debryansk.ru
84.42.53.175	A	mx.sem.debryansk.ru
84.42.55.38	A+PTR	mail.bkenergo.ru
84.42.55.38	A	elektro-32.ru
84.42.55.38	A	ns2.elektro-32.ru
84.42.55.70	PTR	mail.bryansk.itb.ru
84.42.55.100	A	exchange56.agrohold.ru
84.42.55.118	A	terminal58.agrohold.ru
84.42.55.202	A+PTR	mail.is32.ru
84.42.55.202	A	is32.ru
84.42.55.202	A	ns.is32.ru
84.42.55.226	A	elektro-32.ru
84.42.55.226	A	ns.elektro-32.ru
84.42.55.228	A	www.elektro-32.ru
84.42.55.230	A+PTR	mx.elektro-32.ru
84.42.55.236	A	mx.elektro-32.ru
84.42.56.2	PTR	mail.ria-link.ru
84.42.56.83	PTR	uszn032.ru
84.42.56.83	A	www.uszn032.ru
84.42.56.137	A	eso-bgu.ru
84.42.56.137	A	www.eso-bgu.ru
84.42.56.137	A	mail.eso-bgu.ru
84.42.56.171	A	mail.pony-brk.ru
84.42.56.254	PTR	ns.ria-link.ru
84.42.62.27	PTR	bgsn.ru
84.42.62.27	A	mx.bgsn.ru
84.42.62.27	A	ns.bgsn.ru
84.42.62.50	PTR	krepshop.ru
84.42.62.103	PTR	mx.uni-s.ru
84.42.62.103	A	mx2.pg32.ru
84.42.63.1	PTR	net-84-42-63.tts.debryansk.ru
84.42.63.86	A	xn--80abcbaq5dar6j.xn--p1ai
84.42.63.86	A	xn--32-6kcmk0bl.xn--p1ai
84.42.63.86	A	xn--80aabdbr8btat8k.xn--p1ai
84.42.63.99	A+PTR	mx.gupti.ru
84.42.63.99	A	ns.gupti.ru
84.42.63.119	A	toprf.net
84.42.63.119	A	gw.toprf.net