Robtex

Up: 192.50.8.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 192.50.8.0/24
Down right: 192.50.9.0/24

IP	Type	Hostname
192.50.8.7	A	ns.nca5.ad.jp
192.50.8.7	A	cancer.nca5.ad.jp
192.50.8.7	A	nca5-ns.ryukoku.ac.jp
192.50.8.45	PTR	ns1.ircnet.jp
192.50.8.45	PTR	irc.kyoto-u.ac.jp
192.50.9.1	A+PTR	odns-2.kyoto-u.ac.jp
192.50.9.1	A	odns-2.kuins.net
192.50.9.3	A+PTR	odnscs-2.kuins.net
192.50.9.4	A+PTR	omls-2d.kuins.kyoto-u.ac.jp
192.50.9.4	A	omls-2d.kuins.net
192.50.9.5	A+PTR	scmls-5.kuins.net
192.50.9.5	PTR	mx.kyoto-u.ac.jp
192.50.9.5	PTR	mx2.kyoto-u.ac.jp
192.50.9.10	A+PTR	omls-2c.kuins.net
192.50.9.10	A	omls-2a.kuins.net
192.50.9.10	A	81299.com
192.50.9.11	PTR	omls-2.kuins.net
192.50.9.11	A+PTR	omls-2.kuins.kyoto-u.ac.jp
192.50.9.28	PTR	scmls-2.kuins.net
192.50.9.28	A+PTR	scmls-2.kuins.kyoto-u.ac.jp
192.50.9.29	A+PTR	fwmls-2.kuins.net
192.50.9.30	A+PTR	fr3-eth3-0-6.gw.kuins.kyoto-u.ac.jp