Robtex

Up: 210.157.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.157.30.0/25
Down right: 210.157.30.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.157.30.4	A+PTR	isle-11-4306-top.interq.or.jp
210.157.30.11	A+PTR	cache03.gmo-ht.com
210.157.30.12	A+PTR	cache02.gmo-ht.com
210.157.30.34	PTR	log1.webhosting.yahoo.co.jp
210.157.30.35	PTR	wm1.webhosting.yahoo.co.jp
210.157.30.65	PTR	ent1.yahoowebhosting.jp
210.157.30.65	A	rouse-racing.com
210.157.30.65	A	mihonichi.com
210.157.30.66	PTR	bus1.yahoowebhosting.jp
210.157.30.66	A	smtp.kyowa-hp.jp
210.157.30.66	A	smtp.touseikagi.co.jp
210.157.30.67	PTR	ent2.yahoowebhosting.jp
210.157.30.67	A	*.ikkoya.com
210.157.30.67	A	grouphome-kaju.com
210.157.30.68	PTR	bus2.yahoowebhosting.jp
210.157.30.68	A	*.test-cs-business2.com
210.157.30.68	A	www.shindo.ne.jp
210.157.30.69	PTR	ent3.yahoowebhosting.jp
210.157.30.69	A	www.katatsumuri.net
210.157.30.69	A	*.ieki.net
210.157.30.70	PTR	ent4.yahoowebhosting.jp
210.157.30.70	A	tinpan.net
210.157.30.70	A	smtp.dasajapan.com
210.157.30.71	PTR	bus3.yahoowebhosting.jp
210.157.30.71	A	smtp.pcinformation.info
210.157.30.71	A	smtp.east-w.co.jp
210.157.30.72	PTR	ent5.webhosting.yahoo.co.jp
210.157.30.124	A	test-cs-expert.com
210.157.30.124	A	smtp.test-cs-expert.com
210.157.30.125	A+PTR	gmo-exp1y.isle.jp
210.157.30.129	PTR	exp1.webhosting.yahoo.co.jp
210.157.30.131	A	www.tu-pro.com
210.157.30.131	A	smtp.tu-pro.com
210.157.30.131	A	tu-pro.com
210.157.30.139	A+PTR	test-sys20-03.info
210.157.30.139	A	smtp.test-sys20-03.info
210.157.30.144	A+PTR	global-edventure.net
210.157.30.144	A	smtp.global-edventure.net
210.157.30.144	A	www.global-edventure.net
210.157.30.146	A+PTR	shima-nursing-home.com
210.157.30.146	A	smtp.shima-nursing-home.com
210.157.30.149	PTR	sportsnavi.co.jp
210.157.30.149	A	smtp.sportsnavi.co.jp
210.157.30.157	PTR	fasco-cs.com
210.157.30.165	A+PTR	skillup-jp.com
210.157.30.165	A	smtp.skillup-jp.com
210.157.30.166	PTR	sis-techno.co.jp
210.157.30.171	A+PTR	sunkukan.com
210.157.30.171	A	smtp.sunkukan.com
210.157.30.182	PTR	matees.com
210.157.30.186	A+PTR	daiwa-ap.co.jp
210.157.30.186	A	www.daiwa-ap.co.jp
210.157.30.189	A+PTR	fh10.com
210.157.30.189	A	smtp.fh10.com
210.157.30.196	A+PTR	ryoushindou.com
210.157.30.196	A	*.ryoushindou.com
210.157.30.196	A	smtp.ryoushindou.com
210.157.30.197	A	*.cscweb.org
210.157.30.197	A	smtp.cscweb.org
210.157.30.200	A	kadokuland.co.jp
210.157.30.210	A	smtp.jqaward.org
210.157.30.219	PTR	sawaicoffee.co.jp
210.157.30.223	PTR	webhosting0003.net
210.157.30.241	A+PTR	hakujutakayama.com
210.157.30.241	A	smtp.hakujutakayama.com
210.157.30.251	A	y-exp1.isle.jp
210.157.30.252	A+PTR	y-exp2.isle.jp
210.157.30.252	A	smtp.y-exp2.isle.jp
210.157.30.253	A+PTR	gmo-exp2y.isle.jp
210.157.30.253	A	smtp.gmo-exp2y.isle.jp