Robtex

Up: 216.255.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.255.232.0/23
Down right: 216.255.234.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.255.232.9	A	card.gpoint.co.jp
216.255.232.22	A	www.g-plan.net
216.255.232.26	A	wpgiftcode.smbc-card.com
216.255.232.32	A	fmail.gpoint.co.jp
216.255.232.33	A+PTR	fmail01.gpoint.co.jp
216.255.232.102	A	mx2.dinos.co.jp
216.255.232.132	A	mail.repica.jp
216.255.232.132	A	mail.siella.jp
216.255.232.133	A	ns01.rapico.jp
216.255.232.133	A	repica.co.jp
216.255.232.137	A	arara.com
216.255.232.137	A	arara.co.jp
216.255.232.198	A	ns02.rapico.jp
216.255.232.198	A	dns2.siella.jp
216.255.233.235	A	mail.intellution.co.jp
216.255.233.235	A	ns.intellution.co.jp
216.255.235.6	A	adm.k.tezuka.jp
216.255.235.6	A	tezuka.jp
216.255.235.68	PTR	ss001.estore.co.jp
216.255.235.68	A	www.heiwaplaza-hotel.com
216.255.235.68	A	www.kanki.co.jp
216.255.235.69	PTR	ss002.estore.co.jp
216.255.235.70	PTR	ss003.estore.co.jp
216.255.235.71	PTR	ss004.estore.co.jp
216.255.235.72	PTR	ss005.estore.co.jp
216.255.235.72	A	www.abc-japan.com
216.255.235.72	A	www.onsen-club.com
216.255.235.74	PTR	ss007.estore.co.jp
216.255.235.75	PTR	ss008.estore.co.jp
216.255.235.77	A+PTR	ns02.estore.co.jp
216.255.235.77	A	ns0.sharesite.com
216.255.235.78	A	shns2.estore.co.jp
216.255.235.79	PTR	ss009.estore.co.jp
216.255.235.79	A	www.aomatsu.net
216.255.235.80	PTR	ss010.estore.co.jp
216.255.235.80	A	mail.logi-net.org
216.255.235.80	A	www.sanyo-g.com
216.255.235.82	PTR	ns82.estore.co.jp
216.255.235.85	A	www.ss-sample.com
216.255.235.90	A	ssdb.estore.co.jp
216.255.235.238	PTR	h235238.ty.estore.co.jp
216.255.235.238	A	twmx.estore.co.jp