Robtex

Up: 27.109.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 27.109.120.0/23
Down right: 27.109.122.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.109.120.1	PTR	vc1.jah.ne.jp
27.109.120.2	PTR	vc2.jah.ne.jp
27.109.120.3	PTR	vc3.jah.ne.jp
27.109.120.4	A	587.jah.ne.jp
27.109.120.4	A	smtp.jah.ne.jp
27.109.120.4	A	scan.jah.ne.jp
27.109.120.5	PTR	vc0.jah.ne.jp
27.109.120.5	A	vc2.jah.ne.jp
27.109.120.6	PTR	smtpold.jah.ne.jp
27.109.120.10	A+PTR	sinocom.jah.ne.jp
27.109.120.10	A	pop3.sinocom.jp
27.109.120.10	A	www.zhimingsoft.jp
27.109.120.11	PTR	www.three-f.co.jp
27.109.120.12	A	po2.jah.ne.jp
27.109.120.22	PTR	base11.doyu.jp
27.109.120.22	A	kanagawa.doyu.jp
27.109.120.22	A	www.kanagawa.doyu.jp
27.109.120.23	PTR	www.tokyo.doyu.jp
27.109.120.24	A+PTR	base12.doyu.jp
27.109.120.24	A	miyagi.doyu.jp
27.109.120.30	A	marunouchi.musa.ac.jp
27.109.120.41	A+PTR	base2.doyu.jp
27.109.120.54	A	furusato-genki.jp
27.109.120.100	A+PTR	vhost0.jah.ne.jp
27.109.120.100	A	ns1.jah.ne.jp
27.109.120.101	A+PTR	www.jah.jp
27.109.120.101	A	jah.jp
27.109.120.104	A	search.chidigi.jp
27.109.120.105	A+PTR	www.ymoffice.com
27.109.120.105	A	ymoffice.com
27.109.120.107	PTR	y-sato.jah.ne.jp
27.109.120.108	A	tokyo-fudousan.jp
27.109.120.108	A	www.tokyo-fudousan.jp
27.109.120.120	A	webmail.jah.jp
27.109.120.121	A+PTR	www.its-jpn.com
27.109.120.121	A	its-jpn.com
27.109.120.122	A	ssl.soubun.com
27.109.120.123	PTR	www.zisin.jp
27.109.120.127	A+PTR	www.fujika.co.jp
27.109.120.127	A	fujika.co.jp
27.109.120.128	A	www.sesho-p.jp
27.109.120.131	A	www.watanabe-ark.gr.jp
27.109.120.131	A	watanabe-ark.gr.jp
27.109.120.132	A	www.sen-sacred-heart.ac.jp
27.109.120.133	A	www.kaori-lc.jp
27.109.120.134	A	www.it-navigate.com
27.109.120.135	A	www.kait-ele.jp
27.109.120.137	A	jagaimo.jah.jp
27.109.120.138	A	www.jblc.jp
27.109.120.139	A	www.omiyage-daito.com
27.109.120.141	A	www.daiei-dental.jp
27.109.120.143	A	to-yu-realtor.co.jp
27.109.120.143	A	www.to-yu-realtor.co.jp
27.109.121.2	A	cosmo.jah.ne.jp
27.109.121.3	PTR	hellsgate.jah.ne.jp
27.109.121.3	A	mukumi-care.com
27.109.121.3	A	www.avalon.ne.jp
27.109.121.4	A+PTR	www.jah.ne.jp
27.109.121.5	A	home.jah.ne.jp
27.109.121.6	A+PTR	po.jah.ne.jp
27.109.121.10	A+PTR	vhost7.jah.ne.jp
27.109.121.10	A	kieishouji.com
27.109.121.10	A	sakura-tt.com
27.109.121.12	A+PTR	ns1-dp.jah.ne.jp
27.109.121.12	A	ns4.jah.ne.jp
27.109.121.13	A+PTR	kerberos.jah.ne.jp
27.109.121.15	A	postman.jah.ne.jp
27.109.121.30	A+PTR	powdermilk.jah.ne.jp
27.109.121.30	A	ns2.jah.ne.jp
27.109.121.31	A	db.jah.ne.jp
27.109.121.37	A	log.jah.ne.jp
27.109.121.50	A+PTR	max4.jah.ne.jp
27.109.121.68	A	www.pastelnet.or.jp
27.109.121.211	PTR	vd.diyss.jp
27.109.121.211	A	mail.yuiyui.jp
27.109.121.211	A	vd.hosting-pro.jp