Robtex

Up: 203.243.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 203.243.0.0/19
Down right: 203.243.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.243.0.242	A	osanart.net
203.243.1.95	A+PTR	spammail.spo.go.kr
203.243.1.95	A	node24.spammail-spo-go-kr.nciashield.org
203.243.1.100	A	mail.spo.go.kr
203.243.1.200	PTR	dppo.go.kr
203.243.1.201	PTR	seoul.dppo.go.kr
203.243.1.218	A	www-spo-go-kr.nciashield.org
203.243.1.218	A	www.spo.go.kr
203.243.1.218	A	node24.www-spo-go-kr.nciashield.org
203.243.19.199	A	mccander.com
203.243.21.247	A	www.saza.in
203.243.22.22	A	dlog.ofjwc.com
203.243.39.11	A	safedriving.or.kr
203.243.39.11	A	www.safedriving.or.kr
203.243.39.11	A	dls.koroad.or.kr