Robtex

Up: 211.47.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 211.47.232.0/22
Down right: 211.47.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.47.232.64	PTR	static.211-47-232-64.nexg.net
211.47.232.70	A	ns2.seamails.net
211.47.232.87	A	investorunited.co.kr
211.47.232.87	A	landmarkline.com
211.47.232.87	A	hanaroshipping.com
211.47.232.94	A	mail.dasanmm.com
211.47.232.94	A	mail2.cmails.co.kr
211.47.232.95	A	mail.seamails.co.kr
211.47.232.141	A	mail.dmon.co.kr
211.47.233.96	PTR	static.211-47-233-96.nexg.net
211.47.233.106	PTR	static.211-47-233-106.nexg.net
211.47.233.136	PTR	static.211-47-233-136.nexg.net
211.47.233.202	PTR	static.211-47-233-202.nexg.net
211.47.233.235	PTR	static.211-47-233-235.nexg.net
211.47.234.17	PTR	static.211-47-234-17.nexg.net
211.47.234.26	PTR	static.211-47-234-26.nexg.net
211.47.234.33	PTR	static.211-47-234-33.nexg.net
211.47.234.41	PTR	static.211-47-234-41.nexg.net
211.47.234.51	PTR	static.211-47-234-51.nexg.net
211.47.234.59	PTR	static.211-47-234-59.nexg.net
211.47.234.72	PTR	static.211-47-234-72.nexg.net
211.47.234.80	PTR	static.211-47-234-80.nexg.net
211.47.234.88	PTR	static.211-47-234-88.nexg.net
211.47.234.89	PTR	static.211-47-234-89.nexg.net
211.47.234.96	PTR	static.211-47-234-96.nexg.net
211.47.234.97	PTR	static.211-47-234-97.nexg.net
211.47.234.98	PTR	static.211-47-234-98.nexg.net
211.47.234.104	PTR	static.211-47-234-104.nexg.net
211.47.234.106	PTR	static.211-47-234-106.nexg.net
211.47.234.114	PTR	static.211-47-234-114.nexg.net
211.47.234.121	PTR	static.211-47-234-121.nexg.net
211.47.234.161	PTR	static.211-47-234-161.nexg.net
211.47.234.163	PTR	static.211-47-234-163.nexg.net
211.47.234.169	PTR	static.211-47-234-169.nexg.net
211.47.234.184	PTR	static.211-47-234-184.nexg.net
211.47.234.218	PTR	static.211-47-234-218.nexg.net
211.47.234.219	PTR	static.211-47-234-219.nexg.net
211.47.234.248	PTR	static.211-47-234-248.nexg.net
211.47.234.249	PTR	static.211-47-234-249.nexg.net
211.47.236.107	PTR	static.211-47-236-107.nexg.net
211.47.238.4	PTR	static.211-47-238-4.nexg.net
211.47.238.10	PTR	static.211-47-238-10.nexg.net
211.47.238.10	A	mail.limited40.com
211.47.238.81	PTR	static.211-47-238-81.nexg.net
211.47.238.82	PTR	static.211-47-238-82.nexg.net
211.47.238.82	A	mailmetal.nodong.org
211.47.238.82	A	metalunion.kr
211.47.238.90	PTR	static.211-47-238-90.nexg.net
211.47.238.90	A	metalunion.kr
211.47.238.90	A	www.metalunion.kr
211.47.239.24	PTR	static.211-47-239-24.nexg.net
211.47.239.32	PTR	static.211-47-239-32.nexg.net
211.47.239.80	PTR	static.211-47-239-80.nexg.net
211.47.239.241	PTR	static.211-47-239-241.nexg.net
211.47.239.249	PTR	static.211-47-239-249.nexg.net
211.47.239.251	PTR	static.211-47-239-251.nexg.net