Robtex

Up: 194.50.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 194.50.8.0/22
Down right: 194.50.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.50.9.0	PTR	unnamed.m3x.org
194.50.9.1	A+PTR	zion.m3x.org
194.50.9.2	PTR	unnamed.m3x.org
194.50.9.3	PTR	games.m3x.org
194.50.9.3	A	source.m3x.org
194.50.9.3	A	www.profkomamk.org
194.50.9.8	PTR	unnamed.m3x.org
194.50.9.9	PTR	unnamed.m3x.org
194.50.9.10	A+PTR	forum.m3x.org
194.50.9.11	PTR	unnamed.m3x.org
194.50.9.16	PTR	unnamed.m3x.org
194.50.9.17	A+PTR	voip.m3x.org
194.50.9.17	A	06442.org
194.50.9.17	A	legions-tv.com
194.50.9.18	PTR	unnamed.m3x.org
194.50.9.19	PTR	unnamed.m3x.org
194.50.9.24	PTR	unnamed.m3x.org
194.50.9.25	PTR	unnamed.m3x.org
194.50.9.26	PTR	unnamed.m3x.org
194.50.9.32	PTR	unnamed.m3x.org
194.50.9.33	PTR	petruplink.m3x.org
194.50.9.33	A	stleg.m3x.org
194.50.9.34	A+PTR	petr.m3x.org
194.50.9.41	PTR	unnamed.m3x.org
194.50.9.46	A	ns2.interprom.lg.ua
194.50.9.46	A	mail.interprom.lg.ua
194.50.9.48	PTR	unnamed.m3x.org
194.50.9.50	PTR	unnamed.m3x.org
194.50.9.51	PTR	vumk.com
194.50.9.51	A	www.vumk.com
194.50.9.51	A	nikaholding.com
194.50.9.56	A	shot-works.com
194.50.9.57	PTR	metipol.com
194.50.9.65	PTR	unnamed.m3x.org
194.50.9.66	PTR	unnamed.m3x.org
194.50.9.73	PTR	toalchevsknet.matrix.lg.ua
194.50.9.81	PTR	unnamed.m3x.org
194.50.9.82	PTR	kompik.lg.ua
194.50.9.82	A	kompik.m3x.org
194.50.9.83	PTR	unnamed.m3x.org
194.50.9.86	A	multi-net.org
194.50.9.86	A	www.multi-net.org
194.50.9.88	PTR	unnamed.m3x.org
194.50.9.96	PTR	unnamed.m3x.org
194.50.9.97	PTR	unnamed.m3x.org
194.50.9.98	A+PTR	st.m3x.org
194.50.9.105	PTR	unnamed.m3x.org
194.50.9.106	PTR	unnamed.m3x.org
194.50.9.107	PTR	unnamed.m3x.org
194.50.9.112	PTR	unnamed.m3x.org
194.50.9.114	A+PTR	legions.net.ua
194.50.9.114	A	mail.legions.net.ua
194.50.9.115	PTR	mx.legions.net.ua
194.50.9.115	A+PTR	st.legions.net.ua
194.50.9.120	PTR	unnamed.m3x.org
194.50.9.122	PTR	unnamed.m3x.org
194.50.9.126	A	kirovsk.m3x.org
194.50.9.131	PTR	unnamed.m3x.org
194.50.9.136	PTR	unnamed.m3x.org
194.50.9.153	PTR	unnamed.m3x.org
194.50.9.160	PTR	unnamed.m3x.org
194.50.9.161	PTR	unnamed.m3x.org
194.50.9.162	PTR	unnamed.m3x.org
194.50.9.170	PTR	unnamed.m3x.org
194.50.9.171	PTR	unnamed.m3x.org
194.50.9.174	A	ext-m3x1.bulat.com.ua
194.50.9.174	A	srv-mail-center.bulat.com.ua
194.50.9.178	PTR	unnamed.m3x.org
194.50.9.179	A	chat.m3x.org
194.50.9.184	PTR	unnamed.m3x.org
194.50.9.187	PTR	unnamed.m3x.org
194.50.9.194	PTR	unnamed.m3x.org
194.50.9.195	PTR	promcenter.com.ua
194.50.9.203	PTR	unnamed.m3x.org
194.50.9.208	PTR	prom.lg.ua
194.50.9.209	PTR	unnamed.m3x.org
194.50.9.217	PTR	unnamed.m3x.org
194.50.9.218	PTR	unnamed.m3x.org
194.50.9.224	PTR	unnamed.m3x.org
194.50.9.225	PTR	unnamed.m3x.org
194.50.9.227	PTR	unnamed.m3x.org
194.50.9.235	PTR	unnamed.m3x.org
194.50.9.242	A+PTR	mail.mensa.com.ua
194.50.9.249	PTR	unnamed.m3x.org
194.50.10.1	A+PTR	cr-01.mkm.ru
194.50.10.2	PTR	ck.mkm.ru
194.50.10.2	PTR	oisrh72-1.mkm.ru
194.50.10.2	A	tr.mkm.ru
194.50.10.3	PTR	oisrh72-2.mkm.ru
194.50.10.8	A+PTR	nproscab.ru
194.50.10.8	A+PTR	nproskab.ru
194.50.10.9	A+PTR	oisrh72-77.op.mkm.ru
194.50.10.10	PTR	mail.teh.mkm.ru
194.50.10.10	A	mail.woodtehno.ru
194.50.10.11	PTR	oisrh72-11.emal.mkm.ru
194.50.10.16	PTR	tr.mkm.ru
194.50.10.16	A	oisrh72-15.tr.mkm.ru
194.50.10.17	A+PTR	kovka.mkm.ru
194.50.10.18	A+PTR	mail.tm.mkm.ru
194.50.10.18	A	oisrh72-14.tm.mkm.ru
194.50.10.19	PTR	oisrh72-16.mk-f.ru
194.50.10.26	A+PTR	newmkf.mkm.ru
194.50.10.26	A	newmkm.mkm.ru
194.50.10.27	PTR	ngok.mkm.ru
194.50.10.27	A	order.mkm.ru
194.50.10.28	A+PTR	lx-15.mkm.ru
194.50.10.83	PTR	avpmail.avp.ocv.ru
194.50.10.198	A	sonata-partners.com
194.50.10.198	A	zet9.ru
194.50.10.206	PTR	mail.scz.ru
194.50.11.0	PTR	clearing.opcom.ro
194.50.11.11	A+PTR	clearing.opcom.ro
194.50.11.20	A+PTR	opcom.ro
194.50.11.20	A+PTR	mail.opcom.ro
194.50.11.20	A+PTR	www.opcom.ro
194.50.11.43	A+PTR	ns2.opcom.ro
194.50.11.43	A+PTR	webmail.opcom.ro
194.50.11.43	A+PTR	www1.opcom.ro
194.50.11.44	PTR	ns3.opcom.ro
194.50.11.60	A	pzumail.oper.ro
194.50.11.63	A+PTR	ns3.oper.ro
194.50.11.63	A+PTR	www.oper.ro
194.50.11.98	A	qtrd.opcom.ro
194.50.13.249	PTR	ppp-194-50-13-249.teleport39.ru