Robtex

Up: 211.61.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 211.61.50.0/24
Down right: 211.61.51.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.61.50.101	A+PTR	ns.cwd.go.kr
211.61.50.101	PTR	ns.president.go.kr
211.61.50.101	A+PTR	ns.bh.go.kr
211.61.50.103	A+PTR	gmail.bluehouse.go.kr
211.61.50.103	PTR	gmail.cheongwadae.go.kr
211.61.50.103	A+PTR	gmail.chongwadae.go.kr
211.61.50.104	A+PTR	nmail.cwd.go.kr
211.61.50.104	A+PTR	nmail.president.go.kr
211.61.50.104	PTR	bmail.or.kr
211.61.50.107	A	fmail.president.go.kr
211.61.50.107	A	fmail.cwd.go.kr
211.61.50.111	A+PTR	wise.bluehouse.go.kr
211.61.50.111	PTR	wise.cheongwadae.go.kr
211.61.50.111	PTR	wise.chongwadae.go.kr
211.61.50.115	A	nmail1.chongwadae.go.kr
211.61.50.115	A	nmail1.bluehouse.go.kr
211.61.50.115	A	nmail1.cwd.go.kr
211.61.50.117	A+PTR	nmail2.bluehouse.go.kr
211.61.50.117	PTR	nmail2.cheongwadae.go.kr
211.61.50.117	A+PTR	nmail2.chongwadae.go.kr
211.61.50.127	A	nmail2.cwd.go.kr
211.61.51.101	PTR	bh.go.kr
211.61.51.101	PTR	president.go.kr
211.61.51.101	PTR	www.bh.go.kr
211.61.51.108	PTR	nsb.bluehouse.go.kr
211.61.51.108	PTR	nsb.cheongwadae.go.kr
211.61.51.108	PTR	nsb.chongwadae.go.kr
211.61.51.113	A	letter.president.go.kr
211.61.51.113	A	letter.cwd.go.kr
211.61.51.113	A	letter.chongwadae.go.kr
211.61.51.119	A	ms.president.go.kr
211.61.51.119	A	ms.bluehouse.go.kr
211.61.51.133	A	count.president.go.kr
211.61.51.201	A	www.chongwadae.go.kr
211.61.51.201	A	www.bluehouse.go.kr
211.61.51.201	A	chongwadae.go.kr
211.61.51.213	PTR	nsc.bluehouse.go.kr
211.61.51.213	A+PTR	press.bluehouse.go.kr
211.61.51.213	PTR	nsc.cheongwadae.go.kr
211.61.51.233	A	pcrm.cwd.go.kr
211.61.51.233	A	pcrm.president.go.kr
211.61.51.235	A	enews.president.go.kr
211.61.51.235	A	enews.bluehouse.go.kr
211.61.51.235	A	enews.cwd.go.kr
211.61.51.237	A	enewsmail.cwd.go.kr
211.61.51.237	A	enewsmail.president.go.kr