Robtex

Up: 203.223.176.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.223.177.0/25
Down right: 203.223.177.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.223.177.24	A	use.go.kr
203.223.177.24	A	www.use.go.kr
203.223.177.24	A	use.kr
203.223.177.37	A	spam.use.go.kr
203.223.177.38	A	mail.use.go.kr
203.223.177.38	A	mail.use.kr
203.223.177.51	A	www.okdong.ms.kr
203.223.177.51	A	nammok.es.kr
203.223.177.51	A	shinjung-us.hs.kr
203.223.177.61	A	ns1.use.go.kr
203.223.177.64	A	www.usm.go.kr
203.223.177.64	A	usm.go.kr
203.223.177.86	A	uskids.kr
203.223.177.162	A	www.ulsanedu.kr
203.223.177.162	A	ulsanedu.kr
203.223.177.175	A	yes24.ulsanedu.kr
203.223.177.190	A	home.go.kr
203.223.177.190	A	www.home.go.kr
203.223.177.226	A	ns.ulsanedu.kr
203.223.177.226	A	ns.home.go.kr
203.223.177.231	A	mail.home.go.kr
203.223.177.231	A	mail.ulsanedu.kr