Robtex

Up: 83.243.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 83.243.72.0/22
Down right: 83.243.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.243.72.1	PTR	nodex-gw.gtk.su
83.243.72.34	A	host-lux.ru
83.243.72.34	A	hladmin.ru
83.243.72.34	A	5x.ru
83.243.72.44	A	web-media.ru
83.243.72.44	A	solidey.com
83.243.72.44	A	ayurveda-sale.ru
83.243.72.49	A	www.ctlan.ru
83.243.72.49	A	ns.ctlan.ru
83.243.72.52	A	ns2.regmaster.net
83.243.72.52	A	mail2.host-lux.ru
83.243.72.57	A	mail.host-lux.ru
83.243.72.57	A	papa.host-lux.ru
83.243.72.72	PTR	clients.gtk.su
83.243.72.170	A+PTR	mail.vitrulux.com
83.243.72.174	A	vitrulux.com
83.243.72.176	A	www.vitrulux.com
83.243.72.197	PTR	gtk.su
83.243.72.200	PTR	gtk.su
83.243.72.201	PTR	mail.gtk.su
83.243.73.2	PTR	bbn-dc1-gw.nodex.net.ru
83.243.73.8	PTR	b-mor18-bbn-gw.nodex.net.ru
83.243.73.14	PTR	bbn-ms-gw.nodex.net.ru
83.243.73.207	A	afz.zenitspb.org
83.243.73.207	A	zenitspb.org
83.243.73.207	A	www.zenitspb.org
83.243.73.209	A	photohq.ru
83.243.73.209	A	fotohq.ru
83.243.73.209	A	pavliko.com
83.243.73.220	A	q3.clanarena.net.ru
83.243.73.220	A	q3df.ru
83.243.73.221	PTR	hosting.madwars.ru
83.243.73.222	PTR	hosting.madwars.ru
83.243.73.222	A	fotohq.ru
83.243.73.222	A	ns1.hosting.madwars.ru
83.243.74.1	PTR	gw.cygnus.net.ru
83.243.75.4	PTR	ftp.mix.su
83.243.75.4	A	carabi.ru
83.243.75.4	A	now-ndv.ru
83.243.75.6	A	carabi.ru
83.243.75.26	PTR	optiosoft.spb.ru
83.243.75.26	A	paradox-ltd.com
83.243.75.42	PTR	mail.tantal-nw.ru
83.243.75.59	A	rapsodyhotel.ru
83.243.75.59	A	forest-rapsody.ru
83.243.75.66	A	mail.aserver1.net
83.243.75.66	A	aserver1.net
83.243.75.91	A	host.redan-trade.ru
83.243.75.91	A	himmashimport.com
83.243.75.91	A	mail.redan-trade.ru
83.243.75.98	A+PTR	mail.id-systems.ru
83.243.75.98	A	kreditvmsk.ru
83.243.75.98	A	cruiseindex.ru
83.243.75.114	A	cscnw.ru
83.243.75.114	A	www1.air.spb.ru
83.243.75.114	A	cxeon.air.spb.ru
83.243.75.122	A+PTR	mail.lwkp.ru
83.243.75.123	A	frm.lvkp.ru
83.243.75.133	A	xn--80adja3b5a.xn--p1ai
83.243.75.133	A	xn--80adjabr3ad2bbhe.xn--p1ai
83.243.75.133	A	xn--80adjabr3ad2bbhe.com
83.243.75.137	A	jetset.pro
83.243.75.138	PTR	ns1.p8q.net
83.243.75.138	A	mail.p8q.net
83.243.75.140	A	cam.md
83.243.75.141	A	x82.ru
83.243.75.146	PTR	itfo.ru
83.243.75.147	PTR	mail.itfo.ru
83.243.75.147	A	mail.acccvoin.ru
83.243.75.149	A	ipgo.ru
83.243.75.149	A	www.ipgo.ru
83.243.75.154	PTR	arpi-group.ru
83.243.75.154	A	www.arpi-group.ru
83.243.75.154	A	ns.arpi.ru
83.243.75.202	PTR	hosting.spbnet.ru
83.243.75.202	A	sportprime.ru
83.243.75.202	A	transport.spb.ru
83.243.75.210	A	golden-castle.net
83.243.75.210	A	karabi.ru
83.243.75.213	A	interieritalia.ru
83.243.75.213	A	www.konturbalt.com
83.243.75.227	A+PTR	relay2.lwcom.ru
83.243.75.242	PTR	main2.site4pro.ru
83.243.75.242	A	lenuks.ru
83.243.75.242	A	www.lenuks.ru
83.243.75.250	A	mail.nbteh.ru
83.243.76.9	PTR	bbn-ms-gw.nodex.net.ru
83.243.76.18	PTR	roman.spb.ru
83.243.76.21	PTR	bbn-ms-gw.nodex.net.ru
83.243.76.26	A	mail11.stals62.ru
83.243.76.45	PTR	bbn-ms-gw.nodex.net.ru
83.243.76.53	PTR	push-bbn-gw.nodex.net.ru
83.243.76.54	A+PTR	ns3.nodex.ru
83.243.76.58	PTR	eng139-gw.nodex.net.ru
83.243.76.58	A	point-it.ru
83.243.76.85	PTR	6line-hotel.nodex.ru
83.243.76.90	A	ukki-dom.ru
83.243.76.90	A	land812.ru
83.243.76.98	PTR	softrex.com
83.243.76.98	A	mik-test.ru
83.243.76.113	PTR	bbn-ms-gw.nodex.net.ru
83.243.76.142	A	ns1.nodex.ru
83.243.76.158	PTR	colo1.wpi.ru
83.243.76.166	PTR	trenhost.spb.ru
83.243.76.166	A	paradroz.spb.ru
83.243.76.166	A	ns1.trenhost.spb.ru
83.243.76.186	A+PTR	main2.conros.ru
83.243.76.186	A	auctionconros.ru
83.243.76.186	A	petac.ru
83.243.76.246	A	businessexpedition.com
83.243.76.246	A	mail.businessexpedition.com
83.243.76.246	A	mail.business-expedition.com
83.243.76.254	PTR	5.3ghz-nevsky63-gw.nodex.net.ru
83.243.78.2	PTR	h1.hosting.nodex.ru
83.243.78.2	A	city.tulanet.ru
83.243.78.2	A	smtp.mail.gtk.su
83.243.78.4	PTR	energoprj.ru
83.243.78.5	PTR	ramvr.ru
83.243.78.6	PTR	h3.hosting.nodex.ru
83.243.78.8	A	nodex.ru
83.243.78.9	A	ctlan.ru
83.243.78.66	A+PTR	ns2.hosting.nodex.ru
83.243.78.66	A	ns2.cl.nodex.ru
83.243.78.66	A	users2.t4.ru
83.243.78.68	A	ns3.greenlabs.ru
83.243.78.69	PTR	nsx3.infor.spb.ru