Robtex

Up: 84.47.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.47.168.0/23
Down right: 84.47.170.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.47.168.4	A	ns3.regsv.com
84.47.168.4	A	internet-tver.ru
84.47.168.4	A	ns2.internet-tver.ru
84.47.168.50	PTR	mx0.muffs.ru
84.47.168.50	A	muffs.ru
84.47.168.50	A	rndc.ru
84.47.168.123	A	skytv.su
84.47.168.227	A	tvz.ru
84.47.168.227	A	www.tvz.ru
84.47.168.228	A+PTR	mail.tvz.ru
84.47.168.228	A	asup.tvz.ru
84.47.168.228	A	all.tvz.ru
84.47.168.234	A+PTR	relay.tvz.ru
84.47.169.2	PTR	mail.nsk-recon.ru
84.47.169.2	A	transarenda.com
84.47.169.82	A+PTR	webhost.merz.ru
84.47.169.82	A	zmx.sltgroup.ru
84.47.169.85	PTR	mailgate.prb.ru
84.47.169.90	A	klinhleb.ru
84.47.169.90	A	mail.klinskiyhleb.ru
84.47.169.90	A	klinskiyhleb.ru
84.47.169.100	A	mail1.mega-stroy.su
84.47.169.102	PTR	mail1.mega-group.ru
84.47.169.102	A	mail1.mega-stroy.su
84.47.169.102	A	mail1.vega-rent.com
84.47.169.103	PTR	mail3.mega-stroy.su
84.47.169.130	A+PTR	mail.evroazec.ru
84.47.169.146	PTR	mes.npo-nauka.ru
84.47.169.146	A	mes.i-nauka.com
84.47.169.146	A	mes.npo-nauka.com
84.47.169.147	A	npo-nauka.net
84.47.169.147	A	xn----8sba3bmbfh4b.xn--p1ai
84.47.169.147	A	npo-nauka.com
84.47.169.149	A	npo-nauka.org
84.47.169.150	A+PTR	mes1.npo-nauka.ru
84.47.169.150	A	mes1.npo-nauka.com
84.47.169.152	A	npo-nauka.net
84.47.169.152	A	xn----8sba3bmbfh4b.xn--p1ai
84.47.169.152	A	npo-nauka.com
84.47.169.156	PTR	mail.overclockers.ru
84.47.169.186	PTR	smtp.fhome.ru
84.47.169.186	A	neodomik.ru
84.47.169.234	PTR	wolf.naukanet.ru
84.47.170.2	A+PTR	mail.hitachi-tsc.ru
84.47.170.18	A	mail.regionaudit.com
84.47.170.34	A	in34.gazetametro.ru
84.47.170.36	A	in36.gazetametro.ru
84.47.170.50	PTR	mx3.rt-solar.ru
84.47.170.50	A	mail3.spirit.ru
84.47.170.50	A	mail3.videomost.com
84.47.170.51	PTR	mx3.rt-solar.ru
84.47.170.52	A	mail.solarsecurity.ru
84.47.170.52	A	storm.solarsecurity.ru
84.47.170.66	A	mail.gulliver.ru
84.47.170.67	PTR	dep.gulliver.ru
84.47.170.67	A	m.gulliver-land.com
84.47.170.67	A	mx.gulliver-toys.ru
84.47.170.68	A	mail.dialogrus.ru
84.47.170.72	A	gulliver-toys.ru
84.47.170.78	A	gulliver.ru
84.47.170.78	A	www.gulliver.ru
84.47.170.98	A	iacgov.ru
84.47.170.98	A	www.iacgov.ru
84.47.171.18	A+PTR	mail.ecomgroup.ru
84.47.171.18	A	ns2.ecomgroup.ru
84.47.171.19	A	compost.comunica.ru
84.47.171.35	A+PTR	mail.piksar.ru
84.47.171.53	A	ns.betta.ru
84.47.171.59	A	moymir.ru
84.47.171.59	A	xn--h1abibip.xn--p1ai
84.47.171.59	A	mirknigi.ru
84.47.171.67	A+PTR	mx.telecomguard.ru
84.47.171.67	A	mail.telecomguard.ru
84.47.171.67	A	sbs.telecomguard.ru
84.47.171.76	PTR	mx2.telecomguard.ru
84.47.171.76	A	telecom-guard.ru
84.47.171.90	A	dc1.gtm-project.ru
84.47.171.91	A+PTR	mail01.gtm-project.ru
84.47.171.100	A	mail.olympic.ru
84.47.171.101	A	roc.ru
84.47.171.110	A	ns02.olympic.ru
84.47.171.126	A+PTR	mx2.mystery.ru
84.47.171.134	A	msk-msg-1.int.uponor.ru
84.47.171.170	A	vpn.niisa.ru
84.47.171.180	A	mail.heuristic.su
84.47.171.219	A	www.mm-elegance.ru
84.47.171.222	A	mirknigi.ru
84.47.171.222	A	imdvr.ru
84.47.171.222	A	www.moymir.ru
84.47.171.230	A	ns1.aegida-advisors.ru
84.47.171.230	A	gateway.aegida-advisors.ru
84.47.171.234	A+PTR	mfuic.ru
84.47.171.234	A	84.47.171.234.mfuic.ru
84.47.171.234	A	mf.enex.ru
84.47.171.236	A	tamagochiark.ru