Robtex

Up: 81.222.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 81.222.0.0/18
Down right: 81.222.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.222.2.234	A	gw-spbgu.retn.net
81.222.32.244	A	stat.msk.eltel.net
81.222.32.252	A	ns504-002.eltel.net
81.222.32.254	A	gw-gz.msk.eltel.net
81.222.33.3	A	gw-gz-v10.msk.eltel.net
81.222.33.4	A	aaa504-001.eltel.net
81.222.33.4	A	ficus.eltel.net
81.222.33.6	A	mon502-001.eltel.net
81.222.40.188	A	korallerkorreche.us
81.222.64.10	A	ds701-002.eltel.net
81.222.64.26	A+PTR	files3.showzones.com
81.222.64.26	PTR	pics3.showzones.com
81.222.64.26	PTR	files3.pokazuha.ru
81.222.64.34	PTR	mail.retn.net
81.222.64.34	PTR	ns2.retn.net
81.222.64.34	PTR	slon.retn.net
81.222.64.35	A	www.retnnet.ru
81.222.64.50	A	ds701-007.eltel.net
81.222.64.162	A	kot162.subscribe.ru
81.222.64.163	A	kot163.subscribe.ru
81.222.64.164	A+PTR	kot164.subscribe.ru
81.222.64.165	A	kot165.subscribe.ru
81.222.80.2	PTR	bill.stnw.ru
81.222.80.2	A+PTR	ns1.stnw.ru
81.222.80.2	A	www.stnw.ru
81.222.80.61	A	ns4.itd.center
81.222.80.131	PTR	expert.spb.ru
81.222.80.131	A	mx.expert.spb.ru
81.222.80.194	A	mail.lenair.ru
81.222.80.203	A	mail.flotenk.ru
81.222.80.203	A	mail.general-c.ru
81.222.81.18	A	mail.urkazus.ru
81.222.81.58	A	mail.kvsspb.ru
81.222.81.67	A	ruhtra.ru
81.222.81.67	A	cc-a.ru
81.222.81.130	PTR	mail.argon-spb.ru
81.222.81.169	A+PTR	mail.kartontol.ru
81.222.81.187	A	gw.el-co.spb.ru
81.222.81.230	A	msrv.ladogaspb.ru
81.222.82.37	A	sinstr.sinstr.ru
81.222.82.37	A	srv9.sinstr.ru
81.222.82.46	A	testkpk.ru
81.222.82.62	A	uran.afo.sp.ru
81.222.82.131	PTR	technix.ru
81.222.82.132	A	hellmann.su
81.222.82.142	A	spb.efko-trade.ru
81.222.82.146	A	prmeh.ru
81.222.82.146	A	7184090.ru
81.222.83.2	PTR	81-222-83-2.stnw.ru.83.222.81.in-addr.arpa
81.222.83.10	A	gw.cnord.ru
81.222.83.10	A	ext-balance.cnord.ru
81.222.83.10	A	fidel.cnord.ru
81.222.84.2	A+PTR	ns2.stnw.ru
81.222.84.30	A	mail.service-estate.ru
81.222.84.109	A	mail.ergolines.ru
81.222.84.114	A	mail.oil-spb.ru
81.222.84.140	A	mail.roadlines.ru
81.222.84.173	A	mail.kaskadspb.ru
81.222.84.196	A	p.puhto.ru
81.222.85.2	A+PTR	bsd.algo-spb.com
81.222.85.2	A	www.algo-spb.com
81.222.85.2	A	algo-spb.com
81.222.86.35	A	mail.translator-world.com
81.222.86.50	A	mail.inn-pro.ru
81.222.86.98	A	mail.mz-yanino.ru
81.222.86.98	A	mail3.mz-yanino.ru
81.222.87.5	A	ns2.ipi-manager.ru
81.222.87.6	A	bigrobotprojects.ru
81.222.87.35	A+PTR	main.office.ohlert.spb.ru
81.222.87.37	A	nks.su
81.222.87.133	A	mail.inteltech.ru
81.222.87.134	A	www.inteltech.ru
81.222.87.134	A	inteltech.ru
81.222.87.140	A	voip.omega-spb.ru
81.222.88.43	A	gsmspb.net
81.222.88.43	A	newmail.gsmspb.net
81.222.88.44	A	mail.neologica.ru
81.222.88.87	A	mx1.anagaz.su
81.222.88.130	A	nncloud.ru
81.222.88.150	A	mail.ingria-park.ru
81.222.88.156	A	mail.tssolution.ru
81.222.88.162	A	ns1.xn--80aeel0c.xn--p1ai
81.222.96.7	PTR	mail.astelnet.net
81.222.96.7	A	mail.novatele.ru
81.222.96.38	A+PTR	nmsif.if.ru
81.222.96.38	A	pws.if.ru
81.222.96.38	A	mx.nmsif.if.ru
81.222.98.22	PTR	ns.bank-peresvet.ru
81.222.98.146	PTR	ascorus.ru
81.222.102.2	A	mail.rizs.ru
81.222.102.2	A	shzhonglu.com.cn
81.222.102.10	A	rosinfonet.ru
81.222.102.10	A	www.rosinfonet.ru
81.222.102.130	A	ns1.rindns.net
81.222.102.133	A	nregion.com
81.222.102.133	A	www.nregion.com
81.222.102.139	A	m-im.ru
81.222.103.2	A+PTR	sip.if.ru
81.222.103.4	A+PTR	gate.if.ru
81.222.103.6	A+PTR	hp.if.ru
81.222.103.7	A+PTR	can.if.ru
81.222.103.150	A	riotel.ru
81.222.104.149	A	mail.konstanta1c.ru
81.222.104.150	A	mail.konstanta1c.ru
81.222.105.24	A+PTR	ns1.astelhost.net
81.222.105.25	PTR	ns1.optiroam.net
81.222.105.25	A	ns2.optiroam.net
81.222.105.25	A	ns1m.astelhost.net
81.222.105.250	A+PTR	mail2.astelnet.net
81.222.107.24	A	siplink.ru
81.222.108.28	PTR	relay.pmsoft.ru
81.222.111.212	A+PTR	sip.mgline.ru
81.222.111.212	A	mgline.ru
81.222.111.212	A	xn--80aftgdk.xn--p1ai
81.222.111.221	A	pbx.mgline.ru
81.222.112.1	PTR	gw1.gtss.ru
81.222.112.2	PTR	gw2.gtss.ru
81.222.112.4	A	81.222.127.187.spacegate.gtss.ru
81.222.112.4	A	201.spacegate.gtss.ru
81.222.112.4	A	127.67.spacegate.gtss.ru
81.222.112.128	PTR	help-me.gtss.ru
81.222.112.133	PTR	nposp-v102cisco.gtss.ru
81.222.113.89	PTR	sb2300-113-89.gtss.ru
81.222.113.153	PTR	primatls.ru
81.222.113.153	PTR	host666.primatls.ru
81.222.113.153	PTR	mail.primatls.ru
81.222.114.130	PTR	130.tarkosale.yang.ru
81.222.114.130	A	ns.yang.ru
81.222.114.147	A	mail.yang.ru
81.222.115.59	PTR	mta.gtss.ru
81.222.116.51	A	bkt.81.222.116.51.gtss.ru
81.222.117.4	PTR	81.222.117.4.unrouted.gtss.ru
81.222.117.129	PTR	81.222.117.129.unrouted.gtss.ru
81.222.119.129	PTR	81.222.119.129.unrouted.gtss.ru
81.222.119.130	PTR	81.222.119.130.unrouted.gtss.ru
81.222.121.81	A	urengoj.yang.ru
81.222.124.6	PTR	gazpromftp.gtss.ru
81.222.125.2	PTR	mail.taimyr24.ru
81.222.127.1	PTR	81.222.127.1.spacegate.gtss.ru
81.222.127.2	PTR	mail.sputnik.sg
81.222.127.129	PTR	81.222.127.129.spacegate.gtss.ru
81.222.127.130	PTR	81.222.127.130.spacegate.gtss.ru
81.222.127.141	A	ns1.xietryx.com
81.222.127.142	A	voips.zaoproxy.ru