Robtex

Up: 83.242.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.242.244.0/23
Down right: 83.242.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.242.244.78	PTR	sformat.ru
83.242.244.78	A+PTR	rev.sformat.ru
83.242.244.110	A+PTR	post.saneco.ru
83.242.244.122	A	mail2.matrixsamara.ru
83.242.244.182	PTR	mail.samara.nidan.ru
83.242.244.186	A+PTR	s-sk.com
83.242.244.186	A	mail.s-sk.com
83.242.244.186	A	www.s-sk.com
83.242.244.194	A+PTR	s0804.sgk.nmgk.ru
83.242.244.222	A+PTR	mail.samara.gkm.ru
83.242.244.226	A	stroy-tc.com
83.242.244.226	A	mail.stroy-tc.com
83.242.244.227	A	mail2.stroy-tc.com
83.242.244.235	PTR	isa29.agrohold.ru
83.242.244.235	A	samara-plomba.ru
83.242.244.242	A	mail2.k-bnk.ru
83.242.245.11	A	mail.ricom-group.ru
83.242.245.11	A	mail.rakita-samara.ru
83.242.245.14	PTR	ns.soglasie-samara.ru
83.242.245.26	PTR	mail.vrlo.ru
83.242.245.30	A	mail.atn-holding.com
83.242.245.59	PTR	mail.gk-rbm.ru
83.242.245.71	A	mail63.fssprus.ru
83.242.245.92	A+PTR	ms1.skado.ru
83.242.245.104	PTR	mail.1akp.com
83.242.245.218	A+PTR	mail.risotec.ru
83.242.245.226	A+PTR	samara.rn-card.ru
83.242.246.67	A+PTR	mx2.svgc.ru
83.242.246.170	A	fsnsamara.ru
83.242.246.202	PTR	samara.alev.ru
83.242.246.202	A	ns.samara.alev.ru
83.242.246.218	PTR	exchange.ourgold.ru
83.242.246.219	A	mail.ourgold.ru
83.242.246.254	A	mail.volga-avto.com
83.242.247.2	PTR	vazs.ru
83.242.247.18	A	pop3.transammiak.com
83.242.247.18	A	transammiak.com
83.242.247.30	A+PTR	mail.robola.ru
83.242.247.34	A+PTR	s.dosvam.ru
83.242.247.34	A	thid.ru
83.242.247.42	PTR	rtse.biz
83.242.247.42	A+PTR	mail.rtse.biz
83.242.247.42	PTR	ns.rtse.biz
83.242.247.50	A	tgb2.ru
83.242.247.50	A	www.tgb2.ru
83.242.247.50	A	mail.tgb2.ru
83.242.247.54	PTR	volgamm.ru
83.242.247.110	A	elismag.ru
83.242.247.110	A	www.elismag.ru
83.242.247.238	PTR	ozsmik.ru
83.242.247.238	A	pkb63.ru
83.242.247.238	A	mail.sstlt.ru