Robtex

Up: 27.120.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 27.120.128.0/21
Down right: 27.120.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.120.128.24	PTR	ws-koreda01.freebit.net
27.120.128.24	A	jyusou.co.jp
27.120.128.24	A	www.koshinohana.com
27.120.128.25	PTR	ws-koreda02.freebit.net
27.120.128.45	A	tool.i-scan7.com
27.120.128.59	A	xn--tck5aatbe1ep0i3d4ii.jp
27.120.128.59	A	freebit.com
27.120.128.140	A+PTR	fbinvest.co.jp
27.120.128.143	A	www.mobabiji.jp
27.120.128.144	A	www.ie-den.net
27.120.128.154	A+PTR	ynconnect.net
27.120.128.184	A+PTR	ws-icc01.freebit.net
27.120.128.184	A	www.orihime.ne.jp
27.120.128.200	A+PTR	testsmtp.freebit.net
27.120.129.0	A	0.129.120.27.ptr.cloud-mail.jp
27.120.129.19	A+PTR	19.129.120.27.ptr.cloud-mail.jp
27.120.129.19	A	webmail.janis.or.jp
27.120.129.22	A	vsmtp320.cm01.cloud-mail.jp
27.120.129.23	A	vsmtp330.cm01.cloud-mail.jp
27.120.129.32	PTR	vsmtp420.cm01.cloud-mail.jp
27.120.129.32	A	mail.dia.janis.or.jp
27.120.129.34	A+PTR	vsmtp440.cm01.cloud-mail.jp
27.120.129.38	A	mail.mis.janis.or.jp
27.120.129.39	A	vsmtp490.cm01.cloud-mail.jp
27.120.129.50	A	kaga-tv.com
27.120.129.53	A+PTR	vsmtp590.cm01.cloud-mail.jp
27.120.129.53	A	mail.e-awa.net
27.120.129.53	A	mx.e-awa.net
27.120.129.54	PTR	vsmtp600.cm01.cloud-mail.jp
27.120.129.81	A+PTR	vsmtp690.cm01.cloud-mail.jp
27.120.129.81	A	pop1.nice-tv.jp
27.120.129.103	A	mail.wics.ne.jp
27.120.129.106	A	wm01.i-scan7.com
27.120.129.106	A	mail.i-scan7.com
27.120.129.107	A	107.129.120.27.ptr.cloud-mail.jp
27.120.129.116	A	mail.actv.ne.jp
27.120.129.118	A	mail.me-club.com
27.120.129.123	A+PTR	mail.freebit.jp
27.120.129.125	A	mta.adachicable.co.jp
27.120.129.130	A+PTR	vsmtp1000.cm01.cloud-mail.jp
27.120.129.130	A	mail.wjec.co.jp
27.120.129.133	A+PTR	vsmtp1020.cm01.cloud-mail.jp
27.120.129.133	A	imap.dti.ad.jp
27.120.129.134	PTR	vsmtp1030.cm01.cloud-mail.jp
27.120.129.136	PTR	vsmtp1050.cm01.cloud-mail.jp
27.120.129.144	A	144.129.120.27.ptr.cloud-mail.jp
27.120.129.145	A	145.129.120.27.ptr.cloud-mail.jp
27.120.129.146	A	146.129.120.27.ptr.cloud-mail.jp
27.120.129.152	A	152.129.120.27.ptr.cloud-mail.jp
27.120.129.232	A+PTR	mail.tone.ne.jp
27.120.129.240	A+PTR	vsmtp1540.cm01.cloud-mail.jp
27.120.129.240	A	mail.sec-inter.com
27.120.129.247	PTR	vsmtp1140.cm01.cloud-mail.jp
27.120.129.247	A	sun.ucatv.ne.jp
27.120.129.248	PTR	vsmtp1150.cm01.cloud-mail.jp
27.120.129.248	A	sea.ucatv.ne.jp
27.120.129.249	PTR	vsmtp1160.cm01.cloud-mail.jp
27.120.139.1	A	www.jmacct.med.or.jp
27.120.139.5	A	dbcentre3.jmacct.med.or.jp
27.120.139.13	A	p27-120-139-13.sub.ne.jp
27.120.139.13	A	general.jmacct.med.or.jp
27.120.139.81	A+PTR	p27-120-139-81.sub.ne.jp
27.120.143.52	A	twofive.jp
27.120.143.57	A	webservice-imagica.com
27.120.143.127	PTR	pppf2539.tokyo-ip.dti.ne.jp
27.120.143.127	A	netsu.co.jp
27.120.143.127	A	ns.netsu.co.jp