Robtex

Up: 101.78.6.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 101.78.6.0/25
Down right: 101.78.6.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
101.78.6.34	A+PTR	base01.hypatweb.jp
101.78.6.35	A+PTR	mailserver.hypatweb.jp
101.78.6.36	PTR	assist.hypatweb.jp
101.78.6.37	A+PTR	cn.hypatweb.jp
101.78.6.38	A	r01.ripway.net
101.78.6.41	A	i2.hypatweb.jp
101.78.6.68	A	mail.uchino-tama.com
101.78.6.68	A	kimimaro.mobi
101.78.6.68	A	kato.mbchara.com
101.78.6.69	A	janime.co.jp
101.78.6.69	A	mame-shiba-m.jp
101.78.6.69	A	rascal.janime.co.jp
101.78.6.70	A	ishinomori.net
101.78.6.70	A	uranai.mame-shiba-m.jp
101.78.6.76	A	emoji.caerux.com
101.78.6.78	A	sva.sams-home.co.jp
101.78.6.78	A	thesantodomingo.jp
101.78.6.78	A	foodplanning.co.jp
101.78.6.79	A	chanx.tv
101.78.6.91	A	mbchara.com
101.78.6.91	A	caerux.com
101.78.6.91	A	www.caerux.com
101.78.6.137	PTR	server1.cok.jp
101.78.6.137	A	ml.bingata.biz
101.78.6.137	A	dns02.cok.jp
101.78.6.138	PTR	server2.cok.jp
101.78.6.138	A	mail.rui-h.jp
101.78.6.138	A	kraft-kg.com
101.78.6.139	PTR	server3.cok.jp
101.78.6.139	A	mail.okinawa-caring.com
101.78.6.139	A	hotelangel.co.jp
101.78.6.140	A+PTR	server4.cok.jp
101.78.6.140	A	dns01.cok.jp
101.78.6.141	A	sosaku-eisa.com
101.78.6.141	A	098theone.com
101.78.6.141	A	mail.ocg.ac.jp
101.78.6.142	PTR	server6.cok.jp
101.78.6.142	A	dgco.jp
101.78.6.143	PTR	server7.cok.jp
101.78.6.143	A	okinawa100.com
101.78.6.241	A+PTR	dns1.dova.ad.jp
101.78.6.241	A	dns3.tokyo-adeli.net
101.78.6.241	A	dns3.iclasmonic.jp
101.78.6.242	A+PTR	ns1.dova.ad.jp
101.78.6.243	PTR	dns2.dova.ad.jp
101.78.6.243	A	dns4.apuraido.co.jp
101.78.6.243	A	dns4.nishiakigawa.or.jp