Robtex

Up: 202.13.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 202.13.8.0/22
Down right: 202.13.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.13.8.70	A+PTR	yamans1.ed.yama.tus.ac.jp
202.13.8.70	A	ns1.socu.ac.jp
202.13.8.70	A	ns1.tusy.ac.jp
202.13.8.72	PTR	yamans2.tusy.ac.jp
202.13.8.72	A	ns2.tusy.ac.jp
202.13.8.72	A	ns2.socu.ac.jp
202.13.15.88	A+PTR	yamaenglish.ed.yama.tus.ac.jp