Robtex

Up: 163.214.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 163.215.0.0/17
Down right: 163.215.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.215.0.0	PTR	teunet.teu.ac.jp
163.215.3.0	PTR	100m-bb.cc.teu.ac.jp
163.215.3.3	PTR	aegis.cc.teu.ac.jp
163.215.3.4	PTR	mx2.teu.ac.jp
163.215.3.9	A	teu.ac.jp
163.215.3.9	A	appspot.com--1212832.jjwxc.net
163.215.3.9	A	appspot.com--www.gongjiaocao.com
163.215.3.208	A	mail.ml.media.teu.ac.jp
163.215.8.4	A	ns.cloud.teu.ac.jp
163.215.13.50	A	www.tezu.jp
163.215.13.50	A	tezu.jp
163.215.13.119	A	media.teu.ac.jp
163.215.13.125	A	mail.ml.media.teu.ac.jp
163.215.87.5	A	serv0.cc.teu.ac.jp
163.215.151.39	A	asrv-as.cc.teu.ac.jp
163.215.225.12	A	aipo.teu.ac.jp