Robtex

Up: 210.102.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.102.188.0/23
Down right: 210.102.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.102.190.10	A	ns.chongshin.ac.kr
210.102.190.181	A+PTR	haksa.chongshin.ac.kr
210.102.190.181	A+PTR	haksa.csu.ac.kr
210.102.191.7	A	sugang.csu.kr
210.102.191.7	A	ibsi.csu.ac.kr
210.102.191.11	A	lib.csu.ac.kr
210.102.191.12	A	dns.csu.ac.kr
210.102.191.12	A	dns2.css.ac.kr
210.102.191.13	A+PTR	mail.chongshin.ac.kr
210.102.191.13	A	mail.csu.ac.kr
210.102.191.16	A+PTR	spam.chongshin.ac.kr
210.102.191.16	A	spam.csu.ac.kr
210.102.191.158	PTR	www.chongshin.ac.kr
210.102.191.158	A+PTR	www.csu.ac.kr
210.102.191.158	A	csts.chongshin.kr
210.102.191.176	PTR	haksa1.chongshin.ac.kr
210.102.191.176	PTR	haksa1.csu.ac.kr
210.102.191.178	PTR	idisk.chongshin.kr
210.102.191.178	A+PTR	idisk.csu.kr
210.102.191.178	A+PTR	idisk.chongshin.ac.kr
210.102.191.181	A	haksa.chongshin.ac.kr
210.102.191.187	A+PTR	haksa.css.ac.kr