Robtex

Up: 150.55.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 150.55.64.0/19
Down right: 150.55.96.0/19

IP	Type	Hostname
150.55.64.1	PTR	ns64a.dac.ous.ac.jp
150.55.64.3	A+PTR	donald.dac.ous.ac.jp
150.55.64.111	A+PTR	pch.dac.ous.ac.jp
150.55.72.1	A+PTR	ns72a.center.ous.ac.jp
150.55.72.2	A+PTR	ns72b.center.ous.ac.jp
150.55.72.36	A	satsuma.center.ous.ac.jp
150.55.72.36	A	mage-p.org
150.55.80.1	A+PTR	ns80a.rins.ous.ac.jp
150.55.84.12	A+PTR	mu.xmath.ous.ac.jp
150.55.84.129	A	nagato.navy.xmath.ous.ac.jp
150.55.86.2	A+PTR	beta.prison.xmath.ous.ac.jp
150.55.92.1	A+PTR	ns92a.ric.ous.ac.jp
150.55.92.95	A+PTR	win-funa.ric.ous.ac.jp
150.55.92.119	A	mj-6000c.ric.ous.ac.jp
150.55.93.1	A	ns93a.ric.ous.ac.jp
150.55.100.1	A	ns100a.sp.ous.ac.jp
150.55.104.9	A+PTR	ns104b.big.ous.ac.jp
150.55.104.121	A	had0.big.ous.ac.jp
150.55.116.149	PTR	cmp005.mis.ous.ac.jp
150.55.120.1	A+PTR	ns120a.soci.ous.ac.jp
150.55.120.8	A+PTR	ns120c.soci.ous.ac.jp