Robtex

Up: 210.123.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 210.123.32.0/21
Down right: 210.123.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.123.32.13	A	kmu.kookmin.ac.kr
210.123.32.13	A	ns.kookmin.ac.kr
210.123.40.55	A+PTR	phys.kookmin.ac.kr
210.123.46.10	PTR	office.kookmin.ac.kr
210.123.46.24	PTR	webmail.kookmin.ac.kr
210.123.46.25	PTR	mail.kookmin.ac.kr
210.123.46.25	A	mail.ku.ac.kr
210.123.46.70	A	www.zeroonecenter.com
210.123.46.70	A	zeroonecenter.com
210.123.46.70	A	lifelong.kookmin.ac.kr
210.123.46.106	A	home1.kookmin.ac.kr
210.123.46.106	A	smart.kookmin.ac.kr
210.123.46.205	A	home.kookmin.ac.kr
210.123.46.208	A	zeroonecenter.com
210.123.46.208	A	www.kookmin.ac.kr
210.123.46.208	A	kookminedu.com