Robtex

Up: 158.202.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 158.202.40.0/23
Down right: 158.202.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
158.202.43.12	PTR	zlpmail.furukawa.co.jp
158.202.43.12	A	smtp.furukawa.co.jp
158.202.43.14	A+PTR	fgw0.furukawa.co.jp
158.202.43.14	A	ns1.uacj.co.jp
158.202.43.15	A+PTR	furukawa-gw.furukawa.co.jp
158.202.43.17	PTR	ssl.ziffnavi.jp
158.202.43.19	PTR	www.furukawa.co.jp
158.202.43.37	A+PTR	zms.furukawa.co.jp
158.202.43.38	A+PTR	gdmz-pat.furukawa.co.jp
158.202.43.39	A+PTR	zsms.furukawa.co.jp
158.202.43.43	A+PTR	sips.furukawa.co.jp
158.202.43.45	A+PTR	testweb.furukawa.co.jp
158.202.43.51	A+PTR	catalog.furukawa.co.jp
158.202.43.52	A+PTR	mitsu.furukawa.co.jp
158.202.43.53	A+PTR	www2.furukawa.co.jp
158.202.43.54	PTR	www2.cable-hiroba.com
158.202.43.55	PTR	www.cable-hiroba.com
158.202.43.56	A	neoteris.furukawa.co.jp
158.202.43.58	PTR	fecnet.furukawa.co.jp
158.202.43.59	A+PTR	powerweb.furukawa.co.jp
158.202.43.62	PTR	www.rent-a-drum.com
158.202.43.63	A	xn--8mry2v6tq.jp
158.202.43.64	PTR	fecnet2.furukawa.co.jp
158.202.43.65	PTR	www.psms.fitec.co.jp
158.202.43.66	A	www.nfi.fitec.co.jp
158.202.43.66	A	www.nfi.co.jp
158.202.43.68	A	www.furukawadenchi.fitec.co.jp
158.202.43.68	A	www.furukawadenchi.co.jp
158.202.43.68	A	www.jlwa.fitec.co.jp
158.202.43.96	A+PTR	da40081-ap01.furukawa.co.jp
158.202.43.97	A+PTR	da40081-ap02.furukawa.co.jp
158.202.43.122	A	www.tex-e.com
158.202.43.122	A	xn--7ors6u3mmbh5b.jp
158.202.43.122	A	furukawa.jp
158.202.43.128	A	zlpmail.furukawa.co.jp
158.202.43.131	A+PTR	i-edi.furukawa.co.jp
158.202.43.133	A+PTR	i-inoue.furukawa.co.jp
158.202.43.133	A	fasedi.furukawaas.co.jp
158.202.43.134	PTR	i-makisen.furukawa.co.jp
158.202.43.153	A	gsb.furukawa.co.jp
158.202.43.176	A	macves.furukawa.co.jp
158.202.43.189	A	www.furusan.co.jp
158.202.43.191	A	www.furukawa-sky.co.jp
158.202.43.217	A	www.furukawa-magnetwire.co.jp
158.202.43.217	A	www.furukawa-logis.co.jp
158.202.43.217	A	www.furukawanh.co.jp
158.202.43.220	A	www.fitec.co.jp
158.202.43.232	A+PTR	mmts-ag1.furukawa.co.jp
158.202.43.232	A	mmts-ag1.uacj.co.jp
158.202.43.234	A+PTR	mmts-ag3.furukawa.co.jp
158.202.43.234	A	mmts-ag3.uacj.co.jp
158.202.43.238	A	fmail.furukawa.co.jp
158.202.43.248	A	mhrweb.miharu.co.jp