Robtex

Up: 78.31.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.31.20.0/23
Down right: 78.31.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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	A+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	A+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	A+PTR	mail.new-tc.ru
78.31.23.196	A+PTR	ns.new-tc.ru
78.31.23.196	PTR	service.new-tc.ru
78.31.23.206	A+PTR	sklad-gw.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