Robtex

Up: 49.50.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 49.50.0.0/23
Down right: 49.50.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
49.50.1.4	A	nosmokeguide.or.kr
49.50.1.4	A	www.nosmokeguide.or.kr
49.50.1.4	A	www.nosmokeguide.go.kr
49.50.1.12	A+PTR	spam.ncc.re.kr
49.50.1.16	A	nosmokeguide.re.kr
49.50.1.18	A	xn--zj4bx8ej6m.org
49.50.1.18	A	xn--dm2b36as2c8xsu2k.net
49.50.1.18	A	xn--3e0bn7uryf0pe0ts.net
49.50.1.19	A	xn--zj4bx8ej6m.org
49.50.1.19	A	xn--dm2b36as2c8xsu2k.net
49.50.1.19	A	xn--3e0bn7uryf0pe0ts.net
49.50.1.20	A	ncc.re.kr
49.50.1.20	A	ncc-gcsp.ac.kr
49.50.1.22	A+PTR	mail.ncc.re.kr
49.50.1.23	A+PTR	mailsys1.ncc.re.kr
49.50.1.24	A	mailsys2.ncc.re.kr
49.50.1.31	A+PTR	ns1.ncc.re.kr
49.50.1.32	A+PTR	ns2.ncc.re.kr
49.50.1.51	A	breast.cancer.go.kr
49.50.1.52	A	hospice.go.kr
49.50.1.52	A	www.hospice.go.kr
49.50.1.247	A+PTR	ems.ncc.re.kr