Robtex

Up: 203.230.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.230.200.0/22
Down right: 203.230.204.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.230.200.1	A	ns.hanil.ac.kr
203.230.200.2	PTR	dhcpdns.hanil.ac.kr
203.230.200.2	A	ns2.hanil.ac.kr
203.230.200.7	A	sportscollectionz.com
203.230.200.8	A+PTR	exmail.hanil.ac.kr
203.230.200.8	A	mail.hanil.ac.kr
203.230.200.9	PTR	mail.hanil.ac.kr
203.230.200.17	A	ad02.hanil.ac.kr
203.230.200.17	A	hanil.ac.kr
203.230.200.18	PTR	ad.hanil.ac.kr
203.230.200.18	A	sportscollectionz.com
203.230.200.18	A	hanil.ac.kr
203.230.200.19	PTR	sbc.hanil.ac.kr
203.230.206.142	A	www.hanil.ac.kr