Robtex

Up: 202.216.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.216.28.0/25
Down right: 202.216.28.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.216.28.3	A+PTR	ogi01.ogi.co.jp
202.216.28.3	A	mx.ogi.co.jp
202.216.28.3	A	ogi01.ogihara.co.jp
202.216.28.6	A+PTR	gsb-sv.ogi.co.jp
202.216.28.10	A+PTR	mta1.town.oizumi.gunma.jp
202.216.28.147	A+PTR	oguramail.ogura-gr.co.jp
202.216.28.208	A	tms-net.jp