Robtex

Up: 202.251.136.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.251.137.0/25
Down right: 202.251.137.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.251.137.65	A+PTR	gw1.nms.ac.jp
202.251.137.65	A	mailgw.nms.ac.jp
202.251.137.65	A	ns.nms.jp
202.251.137.66	A+PTR	gw2.nms.ac.jp
202.251.137.66	A	mailgw.nms.ac.jp
202.251.137.66	A	ns2.nms.ac.jp
202.251.137.67	A+PTR	www2.nms.ac.jp
202.251.137.72	A	gw3.nms.ac.jp
202.251.137.102	A+PTR	libserve.nms.ac.jp