Robtex

Up: 121.100.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 121.100.8.0/22
Down right: 121.100.12.0/22

IP	Type	Hostname
121.100.12.11	A	kose-id.com
121.100.12.11	A	jillstuart-beauty.jp
121.100.12.11	A	eshop.awake.co.jp
121.100.12.13	A	ns1.kose.co.jp
121.100.12.25	A	poss-g.nkanzai.co.jp
121.100.12.35	A	dns2.japex.co.jp
121.100.12.36	A	mailgate30.japex.co.jp
121.100.12.38	A	mailgate50.japex.co.jp
121.100.12.40	A+PTR	gate30.japex.co.jp
121.100.12.43	A+PTR	entry.japex.co.jp
121.100.12.73	A	www.bcp.jihoken.co.jp
121.100.12.74	A	tabiho.jp
121.100.12.81	A+PTR	mail1.pmda.go.jp
121.100.12.83	A+PTR	mail3.pmda.go.jp
121.100.12.97	PTR	www.naash.jp
121.100.12.138	A+PTR	ns1.jsndi.or.jp
121.100.12.138	A	jsndi.or.jp
121.100.12.139	A	www.jsndi.or.jp
121.100.12.153	A+PTR	fw.kanto.co.jp
121.100.12.171	A+PTR	www.ayabe-city.library.nexs-service.jp
121.100.12.181	A	www.d1-eagle.com
121.100.12.184	A	www.zeikaikeidb.com
121.100.12.186	A	mail.ichiho.jp
121.100.12.189	A	dh-d.jp
121.100.12.189	A	daiichihoki.co.jp
121.100.12.218	A+PTR	www.town-koryo-nara.lib.nexs-service.jp
121.100.12.220	A+PTR	www.town-ranzan-saitama.lib.nexs-service.jp
121.100.12.246	A+PTR	www.town-ina-saitama.lib.nexs-service.jp
121.100.12.251	PTR	www.rinri-jpn.lib.nexs-service.jp
121.100.12.253	A	www.lib001.nexs-service.jp
121.100.13.106	A	loca.seibubus.co.jp
121.100.13.122	A+PTR	www.nec-nexs.com
121.100.13.141	A	mail.mod-eboc.go.jp
121.100.13.144	A	ns.mod-eboc.go.jp
121.100.13.194	A	sv0101.kinyo-j.co.jp
121.100.13.202	A	wvpn.pmda.go.jp
121.100.13.209	A	ns1.jihoken.co.jp
121.100.13.244	A+PTR	snbd13.nichi-bei.co.jp
121.100.13.245	PTR	www.nichi-bei.co.jp
121.100.13.250	A	snbs01.nichi-bei.co.jp
121.100.14.9	A+PTR	cica-web.kanto.co.jp
121.100.14.38	A	nmsv.tains.org
121.100.14.39	A	apsv.tains.org
121.100.14.92	A+PTR	www.busnavi.net
121.100.14.145	A	hosei.rilg.or.jp
121.100.14.147	A	www.rilg.or.jp
121.100.14.148	A	alps.jcstad.or.jp
121.100.14.164	A	highway-bus.bus-navigation.jp