Robtex

Up: 203.99.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.99.240.0/22
Down right: 203.99.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.99.240.129	A+PTR	ns.west-crc.net
203.99.240.130	A+PTR	mx.west-crc.net
203.99.240.180	A	gate.west-crc.net
203.99.240.200	A+PTR	cache3.ctc-g.ad.jp
203.99.240.202	A+PTR	ns3.ctc-g.ad.jp
203.99.242.18	A+PTR	oievs02.oie.co.jp
203.99.242.26	A	asa.oie.co.jp
203.99.242.33	PTR	svr33.site-qc.net
203.99.242.39	A	mx1.site-qc.net
203.99.242.40	PTR	svr40.site-qc.net
203.99.242.40	A+PTR	ns.site-qc.net
203.99.242.40	A	mx2.site-qc.net
203.99.242.42	PTR	svr42.site-qc.net
203.99.242.43	PTR	svr43.site-qc.net
203.99.242.65	A	ns.partner-system.com
203.99.242.66	A	mail.partner-system.com
203.99.242.129	A+PTR	extmail01.kyushu.coop
203.99.242.131	A+PTR	extmail02.kyushu.coop
203.99.242.141	PTR	svr9913.kyushu.coop
203.99.242.141	A	cck-websv.kagoshima.coop
203.99.242.146	A	mail2.npb-bis.jp
203.99.242.146	A	npb-bis.jp
203.99.242.193	A	is03.mhmjapan.com
203.99.242.194	A	is04.mhmjapan.com
203.99.242.241	A	mxd11.secure-premium.ne.jp
203.99.242.241	A	mxd1.secure-premium.ne.jp
203.99.242.242	A+PTR	mxd11.secure-premium.ne.jp
203.99.242.242	A+PTR	mxd2.secure-premium.ne.jp
203.99.242.243	A+PTR	mxd12.secure-premium.ne.jp
203.99.242.243	PTR	mxd3.secure-premium.ne.jp
203.99.242.244	A+PTR	mxd12.secure-premium.ne.jp
203.99.242.244	PTR	mxd4.secure-premium.ne.jp
203.99.243.4	A	showa-shellbuy.uniform.co.jp
203.99.243.4	A	tokyubus-i.uniform.co.jp
203.99.243.31	A	urbanelk.jp
203.99.243.32	A+PTR	ftp.eheya.net
203.99.243.32	A+PTR	tp.eheya.net
203.99.243.32	A+PTR	www.eheya.net
203.99.243.36	PTR	e-heya.kentaku.net
203.99.243.62	A+PTR	dns.eheya.net
203.99.243.133	A	mx1.nishimatsuya.jp
203.99.243.133	A	mx1.harimakb.co.jp
203.99.243.133	A	mx1.earthview.jp
203.99.243.136	A+PTR	mx3.earthview.jp
203.99.243.136	A	mail.pocketself.net
203.99.243.137	A+PTR	mx4.earthview.jp
203.99.243.138	A	www.royne.co.jp
203.99.243.148	A	group.korenori.co.jp
203.99.243.164	A	www.harimakb.co.jp
203.99.243.165	A	mx2.harimakb.co.jp
203.99.243.180	A	www.oci.co.jp
203.99.243.231	A	techno1.bxn.ne.jp.jazzercise.jp
203.99.243.232	A	techno2.bxn.ne.jp.jazzercise.jp
203.99.243.234	A	tango.bxn.ne.jp
203.99.243.235	A	waltz.bxn.ne.jp
203.99.244.3	A	ns2.world.co.jp
203.99.244.28	A	directweb4.world.co.jp
203.99.244.64	A	mx.flaxus.jp
203.99.244.65	A	e-hhh.jp
203.99.244.82	A	www.w-win.ne.jp
203.99.244.90	A	www.world.jp
203.99.245.1	A+PTR	ns.asask.co.jp
203.99.245.4	A	sv01.asask.co.jp
203.99.245.8	A	bc1.asask.co.jp
203.99.245.9	A	bc2.asask.co.jp
203.99.245.65	A	excelstaff.co.jp
203.99.245.66	A	tensyoku.excelstaff.co.jp
203.99.245.75	A	persol-hrpartners.co.jp
203.99.245.76	A	tensyoku.persol-hrpartners.co.jp
203.99.245.81	A	nsk.ctc-g.co.jp
203.99.245.82	A	nsk-s.ctc-g.co.jp
203.99.245.97	A	www.nsc.daikin.co.jp
203.99.245.134	A+PTR	isdns01-hnd11.roc.ctct.co.jp
203.99.245.193	A+PTR	bdzmta01.toare.co.jp
203.99.245.194	A+PTR	bdzmta02.toare.co.jp
203.99.246.9	A+PTR	glb3.ctc-g.ad.jp
203.99.246.10	A+PTR	glb4.ctc-g.ad.jp
203.99.246.16	A	orico-zizai.com
203.99.246.16	A	o-concier.com
203.99.246.16	A	o-keisan.com
203.99.246.27	A	epromo-cloud.com
203.99.246.32	A	jlrwsf.com
203.99.246.65	A	ns1.itochu-shokuhin.net
203.99.247.6	A	k.console.mc2j.com