Robtex

Up: 203.99.242.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.99.243.0/25
Down right: 203.99.243.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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	A+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
203.99.243.134	A	mx2.nishimatsuya.jp
203.99.243.134	A	mx2.fujifresh.com
203.99.243.134	A	mx2.earthview.jp
203.99.243.135	A	mail.oci.co.jp
203.99.243.135	A	mail.fujifresh.com
203.99.243.135	A	mail.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
203.99.243.139	A	mx.toiletryjp.com
203.99.243.139	A	mx.harimakb.co.jp
203.99.243.142	A+PTR	mx.livedo.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