Robtex

Up: 78.138.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 78.138.160.0/21
Down right: 78.138.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.138.160.36	A+PTR	rt.pfr.ru
78.138.160.37	A+PTR	mx1.rt.pfr.ru
78.138.160.38	A+PTR	mx2.rt.pfr.ru
78.138.161.14	A	lotus.kirkazan.ru
78.138.161.14	A	helterbook.ru
78.138.161.14	A	helterbook.com
78.138.161.35	A+PTR	static.35-161-138-78.kgts.ru
78.138.161.36	A	mail2.kos.ru
78.138.161.50	A	mail3.komzrt.ru
78.138.161.66	PTR	ttmf.ru
78.138.161.66	A	mail.guild-destruction.info
78.138.161.66	A	003rt.ru
78.138.161.106	A	ms.kmpo.ru
78.138.161.106	A	kmpomx.aviamotor.ru
78.138.161.107	A	ms3.kmpo.ru
78.138.161.108	A	wingate.kmpo.ru
78.138.161.170	A	mail.vacma.ru
78.138.161.182	A	static.182-161-138-78.kgts.ru
78.138.161.203	A	mail.tehstroi.ru
78.138.164.26	A	0010.spurtbank.ru
78.138.164.28	PTR	static.28-164-138-78.kgts.ru
78.138.164.34	A	0019.spurtbank.ru
78.138.164.54	A	magsumov.ru
78.138.164.54	A	garage16.ru
78.138.164.54	A	amagsumov.ru
78.138.164.114	A+PTR	static.114-164-138-78.kgts.ru
78.138.164.163	A+PTR	ns1.hostglobal.plus
78.138.164.163	A	ns1.hostglobal.org
78.138.164.163	A	ns1.hostglobal.ru
78.138.164.164	PTR	ns2.hostglobal.plus
78.138.164.164	A	ns2.hostglobal.ru
78.138.164.174	A	ns1.hostglobal.ru
78.138.164.222	A+PTR	static.222-164-138-78.kgts.ru
78.138.165.14	A+PTR	static.14-165-138-78.kgts.ru
78.138.165.75	A	mail.ilmar-hotel.ru
78.138.165.78	PTR	static.78-165-138-78.kgts.ru
78.138.165.78	A	linux-kazan.ru
78.138.165.78	A	openkazan.info
78.138.165.118	PTR	mail.rosreestr.org
78.138.165.118	A	mail.gufrs-rt.ru
78.138.165.118	A	gufrs-rt.ru
78.138.165.146	A+PTR	mail.mb-irbis.ru
78.138.165.146	A	mb-irbis.ru
78.138.165.238	PTR	tator.kazan.rss.ru
78.138.165.242	A	patriot.i-set.ru
78.138.168.98	A+PTR	mail.tatcable.ru
78.138.168.106	A	mail.mtk-akbars.ru
78.138.168.170	A	www.tatkvd.ru
78.138.168.250	A+PTR	mail.kazan-soyuz.ru
78.138.169.2	PTR	78.138.169.2
78.138.169.2	A	bugulma.gsf.ru
78.138.169.25	PTR	78.138.169.25
78.138.169.33	PTR	33.169.138.78.in-addr.arpa
78.138.169.34	A	mail.inventunion.ru
78.138.169.45	A	owa.inventunion.ru
78.138.169.45	A	mail.zavod-skm.ru
78.138.169.45	A	mail.invent-ts.ru
78.138.169.84	PTR	78.138.169.84
78.138.169.84	A	relay.tabysh.org
78.138.169.86	A	mail.tdkamilla.org
78.138.169.86	A	tdkamilla.org
78.138.169.182	A	mail.efir24.tv
78.138.169.182	A	mail.efir.kazan.ru
78.138.169.182	A	mail.efir-kazan.ru
78.138.169.250	A	mx.invent-elektro.ru
78.138.170.27	PTR	78.138.170.27
78.138.170.75	PTR	78.138.170.75
78.138.170.80	PTR	80.170.138.78.in-addr.arpa
78.138.170.110	A	tatkvd.ru
78.138.170.110	PTR	78.138.170.110
78.138.170.123	PTR	78.138.170.123
78.138.170.178	A	mail-server.kazgliders.ru
78.138.171.2	PTR	2.171.138.78.in-addr.arpa
78.138.171.3	PTR	3.171.138.78.in-addr.arpa
78.138.171.17	PTR	17.171.138.78.in-addr.arpa
78.138.171.19	PTR	19.171.138.78.in-addr.arpa
78.138.171.35	PTR	35.171.138.78.in-addr.arpa
78.138.171.51	PTR	51.171.138.78.in-addr.arpa
78.138.171.70	PTR	78.138.171.70
78.138.171.75	PTR	78.138.171.75
78.138.171.80	PTR	78.138.171.80
78.138.171.82	PTR	82.171.138.78.in-addr.arpa
78.138.171.83	PTR	78.138.171.83
78.138.171.84	PTR	78.138.171.84
78.138.171.88	PTR	78.138.171.88
78.138.171.101	PTR	78.138.171.101
78.138.171.133	PTR	78.138.171.133
78.138.171.145	PTR	145.171.138.78.in-addr.arpa
78.138.171.146	PTR	146.171.138.78.in-addr.arpa
78.138.171.147	PTR	147.171.138.78.in-addr.arpa
78.138.171.161	PTR	78.138.171.161
78.138.171.163	PTR	163.171.138.78.in-addr.arpa
78.138.171.164	PTR	78.138.171.164
78.138.171.193	PTR	193.171.138.78.in-addr.arpa
78.138.171.207	PTR	78.138.171.207
78.138.171.241	PTR	241.171.138.78.in-addr.arpa
78.138.172.145	PTR	145.172.138.78.in-addr.arpa
78.138.172.149	PTR	78.138.172.149
78.138.172.149	A	www.automeh.ru
78.138.172.149	A	alfsoft.ru
78.138.172.213	PTR	213.172.138.78.in-addr.arpa
78.138.173.21	A	osb4690.tatmail.ru
78.138.173.61	PTR	61.173.138.78.in-addr.arpa
78.138.173.79	PTR	79.173.138.78.in-addr.arpa
78.138.173.88	A+PTR	elabuga.maheev.ru
78.138.173.88	A+PTR	mailman.maheev.ru
78.138.173.161	A	mail.regnk.ru
78.138.174.11	PTR	11.174.138.78.in-addr.arpa
78.138.174.11	A	v-energo.com
78.138.174.87	PTR	mx2.bist.ru
78.138.174.137	PTR	137.174.138.78.in-addr.arpa
78.138.174.217	PTR	217.174.138.78.in-addr.arpa
78.138.175.21	PTR	21.175.138.78.in-addr.arpa
78.138.175.26	PTR	26.175.138.78.in-addr.arpa
78.138.175.66	PTR	66.175.138.78.in-addr.arpa
78.138.175.153	PTR	153.175.138.78.in-addr.arpa
78.138.175.155	PTR	155.175.138.78.in-addr.arpa
78.138.175.176	A	sb.kzntat.ru
78.138.175.212	PTR	212.175.138.78.in-addr.arpa