Robtex

Up: 81.176.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 81.176.128.0/18
Down right: 81.176.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.176.142.204	A	toyz.mv.ru
81.176.164.33	A	ap15-dsl.udm.net
81.176.164.34	A	processing.udm.net
81.176.164.35	A	azs29.udm.net
81.176.164.36	A	azs05.udm.net
81.176.164.128	A	amba-izh3.udm.net
81.176.164.129	A	stroyka255.udm.net
81.176.164.130	A	pivkom9.udm.net
81.176.164.131	A	svnik2.udm.net
81.176.169.254	A	test.formatlink.ru
81.176.175.163	A	maregor.udm.net
81.176.175.168	A	amarket.udm.net
81.176.176.141	A	unixgo.ru
81.176.176.141	A	unixmine.ru
81.176.176.141	A	hypemine.ru
81.176.176.176	A+PTR	mc.forscraft.net
81.176.184.22	A	d22.184.moz.dsl.udm.net
81.176.184.105	A	d105.184.moz.dsl.udm.net
81.176.184.123	A	d123.184.moz.dsl.udm.net
81.176.186.74	A	mail2.nayada.perm.ru
81.176.192.20	A	relay.rednet.drbit.ru
81.176.208.146	PTR	ns.voiceip.ru
81.176.208.153	PTR	smtp.voiceip.ru
81.176.209.2	PTR	f45.nalog.ru
81.176.209.24	PTR	wind.sicex.ru
81.176.210.3	A	w-agent.ru
81.176.214.1	PTR	inet1.turbosib.ru
81.176.214.18	A	ns3.rtcomm.ru
81.176.214.68	A	artyomy.com
81.176.214.133	A	mail.v54.ru
81.176.214.146	A	barnaul-cat2.rt-comm.ru
81.176.217.154	A	monro.prom.kem.ru
81.176.224.1	PTR	unknown.cit-network.net
81.176.224.10	A	customer-5189.eserver-ru.com
81.176.224.12	A	mail.faza.ru
81.176.224.34	A	mail.travelviza.ru
81.176.224.56	A	mail.sampo-m.ru
81.176.224.138	A	asx-russia.ru
81.176.224.158	A	video-borescope.com
81.176.224.158	A	boreskope.com
81.176.224.158	A	vetgoogle.com
81.176.225.68	A	mail.bricolage.ru
81.176.225.69	A	ns2.yawoman.ru
81.176.225.150	PTR	infrance.su
81.176.225.153	A	mail.gigalinks.ru
81.176.225.154	PTR	1coffee.ru
81.176.226.2	PTR	s22.in-solve.ru
81.176.226.3	A+PTR	svn.1gb.ru
81.176.226.10	A	smtp-20.1gb.ru
81.176.226.11	A	smtp-20.1gb.ru
81.176.226.11	A	s24.in-solve.ru
81.176.226.11	A	zar-school.ru
81.176.226.12	A	smtp-20.1gb.ru
81.176.226.13	A	smtp-20.1gb.ru
81.176.226.14	A	smtp-20.1gb.ru
81.176.226.20	A	smtp-20.1gb.ru
81.176.226.21	A	smtp-20.1gb.ru
81.176.226.22	A	smtp-20.1gb.ru
81.176.226.80	A	shingrad.ru
81.176.226.80	A	fialki-senpolii.ru
81.176.226.128	A	dmeaero.ru
81.176.226.129	A	digitec.ru
81.176.226.131	A	perekup24.ru
81.176.226.132	A	*.adact.ru
81.176.227.8	A	i2.cnt.my
81.176.227.30	A	msk01.nowtaxi.ru
81.176.227.41	A	pumpshooter.com
81.176.227.49	A	servers.playninja.me
81.176.227.140	PTR	mail18.odnoklassniki.ru
81.176.228.2	PTR	l19.in-solve.ru
81.176.228.2	A	xn--80ah4ahv.xn--p1ai
81.176.228.2	A	forteclub.com
81.176.228.129	A	elearning-itorum.ru
81.176.228.134	A	deluxe.pizza
81.176.228.134	A	milano.cafe
81.176.228.134	A	www.giros12.ru
81.176.229.26	A	adrexam.ru
81.176.229.27	A	shingrad.ru
81.176.229.27	A	fialki-senpolii.ru
81.176.229.27	A	lovushka-snov.ru
81.176.229.128	A	vremiatour.com
81.176.229.128	A	www.vremiatour.ru
81.176.229.128	A	mail.vremiatour.com
81.176.230.72	A	hqsip.kaspersky.com
81.176.230.115	A	mail.sledit.ru
81.176.230.239	A	ns1.shoq.ru
81.176.231.169	A	ns2.shoq.ru
81.176.232.10	A	prosvetal.ru
81.176.232.11	A	mail.medikolife.ru
81.176.232.11	A	medikolife.ru
81.176.232.12	A	stroypostroy.ru
81.176.232.150	PTR	vip-mail.neoweb.ru
81.176.232.154	A	kromtur.ru
81.176.232.155	PTR	mail.biditrade.ru
81.176.232.155	A	www.biditrade.ru
81.176.232.155	A	biditrade.ru
81.176.232.156	PTR	mail.nsmlik.ru.232.176.81.in-addr.arpa
81.176.233.21	A	plody.su
81.176.233.21	A	tsveto.ru
81.176.233.21	A	grjadki.ru
81.176.233.50	PTR	server.simpo.biz
81.176.233.50	A	ns4.simposerver.ru
81.176.233.134	A+PTR	mail.aerohod.ru
81.176.233.170	A	ncs-nn.ru
81.176.233.176	A	www.nettravel.ru
81.176.233.176	A	nettravel.ru
81.176.234.124	PTR	gldn3.goldenstudio.ru
81.176.234.124	A	ns1.gimbo.ru
81.176.234.124	A	mail.0o0o.ru
81.176.235.2	A	patent.nalog.ru
81.176.235.2	A	www.r33.nalog.ru
81.176.235.2	A	www.r16.nalog.ru
81.176.236.1	PTR	openhosting.ru
81.176.236.2	A+PTR	oh1.openhosting.ru
81.176.236.10	A+PTR	ns.openhosting.ru
81.176.236.12	A	zooproject.ru
81.176.236.12	A	setel-tpk.ru
81.176.236.129	A	mail.xn--1-htblaj2ah.xn--p1ai
81.176.236.129	A	ns1.c2314.ip4.ru
81.176.236.129	A	mail.kurier-job.ru
81.176.237.1	PTR	openhosting.ru
81.176.237.10	A+PTR	ns2.openhosting.ru
81.176.237.10	A	smtp2.openhosting.ru
81.176.237.12	A	openhosting.ru
81.176.237.12	A	www.openhosting.ru
81.176.237.129	A	ns2.c2314.ip4.ru
81.176.237.132	A	ns2.c1001.ip4.ru
81.176.237.133	A	maddev.ru
81.176.237.143	PTR	alla-superstar.ru
81.176.237.152	A	ns1.genericrxdealdirect.ru
81.176.238.0	PTR	radikal.ru
81.176.238.2	PTR	radikal.ru
81.176.238.3	PTR	radikal.ru
81.176.238.28	A	ns1.kavkazec.org
81.176.238.111	A	i026.radikal.ru
81.176.238.111	A	i047.radikal.ru
81.176.238.113	A	s12.radikal.ru
81.176.238.128	A+PTR	mx.radikal.ru
81.176.238.128	A	kokomanda.org
81.176.238.128	A	dot-stat.radikal.ru
81.176.238.129	PTR	radikal.ru
81.176.238.130	PTR	radikal.ru
81.176.238.131	PTR	radikal.ru
81.176.238.147	A	i047.radikal.ru
81.176.238.163	A	i026.radikal.ru
81.176.238.163	A	s12.radikal.ru
81.176.239.2	A	xn--80ajpxeg3b1e.xn--p1ai
81.176.239.6	A	mail.nondiet.ru
81.176.239.6	A	mail.live-lab.ru
81.176.239.6	A	mail.4xw.ru
81.176.239.134	A	ats.secrieru.ru
81.176.239.134	A	mail.ats.secrieru.ru
81.176.239.134	A	secrieru.ru
81.176.239.154	A	mail.tfloor.ru