Robtex

Up: 220.68.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 220.68.0.0/18
Down right: 220.68.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.68.26.34	A+PTR	serc.kunsan.ac.kr
220.68.26.62	A+PTR	nmrks.kunsan.ac.kr
220.68.26.151	A+PTR	gifted.kunsan.ac.kr
220.68.55.7	A	iocube.net
220.68.55.10	A	lib.changwon.ac.kr
220.68.62.2	A	ns.nuch.ac.kr
220.68.62.11	A	mail.nuch.ac.kr
220.68.62.35	A	nuch.ac.kr
220.68.62.93	A	www.nuch.ac.kr
220.68.64.1	A+PTR	ns.koreatech.ac.kr
220.68.64.1	A+PTR	ns.kut.ac.kr
220.68.64.2	A+PTR	ns.kut.ac.kr
220.68.64.15	A+PTR	ems.kut.ac.kr
220.68.64.50	A	enpia1.kut.ac.kr
220.68.64.145	A	hilab.kut.ac.kr
220.68.64.153	A	mail.kut.ac.kr
220.68.64.185	A	dev.kut.ac.kr
220.68.64.194	A	www.ipphub.or.kr
220.68.68.1	A	robot.kut.ac.kr
220.68.70.71	A	anytrak.com
220.68.70.79	A	synteam.org
220.68.74.84	A	nclab.kut.ac.kr
220.68.74.164	A	nano.kut.ac.kr
220.68.81.71	A	step.go.kr
220.68.81.71	A	www.step.go.kr
220.68.81.170	A	ngn.kut.ac.kr
220.68.81.232	A	www.hrdhub.or.kr
220.68.82.1	A	mail.flykorea.kr
220.68.82.1	A	mail2.flykorea.kr
220.68.82.1	A	mail2.jwpark.kr
220.68.82.29	A	link.kut.ac.kr
220.68.82.87	A	mail.flykorea.kr
220.68.84.207	A	renasoftware.com
220.68.84.241	A	esun.it
220.68.84.241	A	esuneng.kr
220.68.95.225	A	www.kut.ac.kr
220.68.95.227	A+PTR	www.kut.ac.kr
220.68.95.227	PTR	fastcollege.kr
220.68.95.227	PTR	quickcollege.net
220.68.95.230	PTR	ns2.kut.ac.kr
220.68.95.233	PTR	ns3.kut.ac.kr
220.68.95.235	A	mail.kut.ac.kr
220.68.102.188	A	www.deargen.me
220.68.102.188	A	octopus-explorer.com
220.68.108.3	A	mail.ccn.ac.kr
220.68.108.3	A	ccn.ac.kr
220.68.108.10	A	mail.ccn.ac.kr
220.68.108.11	A	spam.ccn.ac.kr
220.68.108.17	A	ccn.ac.kr
220.68.108.17	A	www.ccn.ac.kr