Robtex

Up: 157.18.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 157.19.0.0/17
Down right: 157.19.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.19.50.223	A	luncheraient.com
157.19.94.12	A+PTR	macshio2.csse.muroran-it.ac.jp
157.19.133.131	A+PTR	virexch.fnd.muroran-it.ac.jp
157.19.133.131	A	majhokkaido.org
157.19.133.131	A	jalthokkaido.net
157.19.175.2	A+PTR	epsilon4.csse.muroran-it.ac.jp
157.19.176.136	A	vrpbl05.csse.muroran-it.ac.jp
157.19.176.145	A	vrpbl14.csse.muroran-it.ac.jp
157.19.176.162	A	vrpbl31.csse.muroran-it.ac.jp
157.19.221.51	A	srv-dnsi.mmm.muroran-it.ac.jp
157.19.221.63	A	srv-web.mmm.muroran-it.ac.jp
157.19.221.63	A	www2.muroran-it.ac.jp
157.19.254.51	A	dmz-dnse.mmm.muroran-it.ac.jp
157.19.254.52	A+PTR	ns3.muroran-it.ac.jp
157.19.254.53	A+PTR	ns4.muroran-it.ac.jp
157.19.254.54	A	dmz-mailgw.mmm.muroran-it.ac.jp