Robtex

Up: 91.143.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 91.143.40.0/22
Down right: 91.143.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.143.40.66	A+PTR	lesnoj.dok17.ru
91.143.40.66	A	ns1.teaki.ru
91.143.40.66	A	ns0.dok17.ru
91.143.40.67	PTR	mx1.dok17.ru
91.143.40.75	A	pbx.dok17.ru
91.143.41.34	A	mail.merida.ru
91.143.41.34	A	mx.merida.ru
91.143.41.44	A+PTR	owa.ortho-ms.ru
91.143.41.44	A	owa.endoscope.ru
91.143.41.44	A	owa2.endoscope.ru
91.143.41.58	A+PTR	mail.bmw-pelican.ru
91.143.41.58	A+PTR	zmail.pelican.ru
91.143.41.107	A	auto-3n.com
91.143.41.107	A	avto3n.com
91.143.41.107	A	avto3n.ru
91.143.41.151	A	mail.trubmash.com
91.143.41.151	A	mail.dialvest.ru
91.143.41.197	A+PTR	msk.technotec.ru
91.143.41.226	A	mail.centr-spec.ru
91.143.41.226	A	mail.liga-spec.ru
91.143.42.100	A	mail.erismann.ru
91.143.42.234	PTR	ip-234.cifra1.ru
91.143.42.234	A	mgspt.ru
91.143.42.235	PTR	mx.homered.me
91.143.42.235	A	mgspt.ru
91.143.42.235	A	post.mgspt.ru
91.143.42.238	A+PTR	post.mgspt.ru
91.143.42.238	A	www.mgspt.ru
91.143.43.23	PTR	mail.egaac.ru
91.143.43.58	PTR	broen.ru
91.143.43.76	PTR	kolomnarc.magnit.ru
91.143.43.98	PTR	ip-98.cifra1.ru
91.143.43.98	A	gemosystem.ru
91.143.43.98	A	www.gemosystem.ru
91.143.43.133	A+PTR	mail.cosmetika.ru
91.143.43.162	A	mms.kiraplastinina.com
91.143.44.5	PTR	mx-sil.pirgroup.ru
91.143.44.72	A	ns.volcano.ru
91.143.44.74	A+PTR	umail.pelican.ru
91.143.44.74	A	umail.volcano.ru
91.143.44.74	A	ns.pelican.ru
91.143.44.110	PTR	mx-sil.pirgroup.ru
91.143.44.228	A	k-fonik.ru
91.143.44.228	A	simpleclever.ru
91.143.44.228	A	ns1.k-flex.club
91.143.44.229	PTR	mail.k-flex.ru
91.143.44.242	A+PTR	mail.sovzond.ru
91.143.44.243	A	ftp.sovzond.ru
91.143.44.243	A	mx2.sovzond.ru
91.143.44.251	A	mpx.gisforum.ru
91.143.44.254	A	geoanalitika.com
91.143.45.21	PTR	goblins.base-red.ru
91.143.45.100	PTR	mx1.vnukovo.ru
91.143.45.100	A	ns2.ogc-astrapetroleum.ru
91.143.45.179	A	ns1.stargate-tv.net
91.143.45.180	PTR	mx1.orion-express.ru
91.143.45.211	A	smtp.mscm.ru
91.143.47.4	PTR	ip-4.cifra1.ru
91.143.47.12	PTR	ip-12.cifra1.ru
91.143.47.12	A	moscow-help.info
91.143.47.12	A	helpmoscow.com
91.143.47.22	A	mpgu.org
91.143.47.22	A	eng.mpgu.edu
91.143.47.22	A	*.mpgu.edu
91.143.47.24	A	www.nauka-i-shkola.ru
91.143.47.24	A	nauka-i-shkola.ru
91.143.47.24	A	mggu-sh.ru
91.143.47.25	A	mpgu.org
91.143.47.40	A+PTR	kifato.net
91.143.47.40	A	mx2.kifato.net
91.143.47.40	A	ns.kifato.net
91.143.47.41	PTR	kifato.net
91.143.47.80	A+PTR	mail.alutech-m.ru
91.143.47.80	A+PTR	mail1.alutechmsk.ru
91.143.47.149	A	ns1.fregat-n.ru
91.143.47.149	A	fregat-n.ru
91.143.47.163	A	mail.trustin.ru
91.143.47.195	PTR	ip-195.cifra1.ru
91.143.47.210	PTR	mail2.crocusgroup.ru
91.143.47.210	A	mail2.m-magomaev.ru
91.143.47.210	A	mail2.edoko.ru
91.143.47.211	PTR	mail2.crocusgroup.ru
91.143.47.213	PTR	ip-213.cifra1.ru
91.143.47.215	PTR	mail2.crocusgroup.ru