Robtex

Up: 203.232.140.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.232.140.0/24
Down right: 203.232.141.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.232.140.3	A+PTR	ns.ok.ac.kr
203.232.140.3	A+PTR	ns2.ok.ac.kr
203.232.140.3	A	ns.chch.ac.kr
203.232.140.7	A+PTR	spam.ok.ac.kr
203.232.140.7	A+PTR	dog.ok.ac.kr
203.232.140.7	A	spam.chch.ac.kr
203.232.140.70	A	app.ok.ac.kr
203.232.140.70	A	wolf.ok.ac.kr
203.232.140.80	A	arctic.ok.ac.kr
203.232.140.81	A	ns1.chch.ac.kr
203.232.140.89	A	ok.ac.kr
203.232.140.89	A	www.ok.ac.kr