Robtex

Up: 211.47.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 211.47.224.0/22
Down right: 211.47.228.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.47.224.19	PTR	static.211-47-224-19.nexg.net
211.47.224.34	PTR	static.211-47-224-34.nexg.net
211.47.224.58	PTR	static.211-47-224-58.nexg.net
211.47.224.64	PTR	static.211-47-224-64.nexg.net
211.47.224.66	PTR	static.211-47-224-66.nexg.net
211.47.224.72	PTR	static.211-47-224-72.nexg.net
211.47.224.81	PTR	static.211-47-224-81.nexg.net
211.47.224.88	PTR	static.211-47-224-88.nexg.net
211.47.224.96	PTR	static.211-47-224-96.nexg.net
211.47.224.120	PTR	static.211-47-224-120.nexg.net
211.47.224.139	PTR	static.211-47-224-139.nexg.net
211.47.224.155	PTR	static.211-47-224-155.nexg.net
211.47.224.161	PTR	static.211-47-224-161.nexg.net
211.47.224.170	PTR	static.211-47-224-170.nexg.net
211.47.224.176	PTR	static.211-47-224-176.nexg.net
211.47.224.184	PTR	static.211-47-224-184.nexg.net
211.47.224.186	PTR	static.211-47-224-186.nexg.net
211.47.224.193	PTR	static.211-47-224-193.nexg.net
211.47.224.200	PTR	static.211-47-224-200.nexg.net
211.47.224.201	PTR	static.211-47-224-201.nexg.net
211.47.224.202	PTR	static.211-47-224-202.nexg.net
211.47.224.210	PTR	static.211-47-224-210.nexg.net
211.47.224.216	PTR	static.211-47-224-216.nexg.net
211.47.224.219	PTR	static.211-47-224-219.nexg.net
211.47.224.240	PTR	static.211-47-224-240.nexg.net
211.47.224.249	PTR	static.211-47-224-249.nexg.net
211.47.224.250	PTR	static.211-47-224-250.nexg.net
211.47.225.2	PTR	static.211-47-225-2.nexg.net
211.47.225.6	A	www.edsk.co.kr
211.47.225.8	PTR	static.211-47-225-8.nexg.net
211.47.225.8	A	mail.edsk.co.kr
211.47.225.66	PTR	mail.insideoptics.com
211.47.226.32	PTR	211-47-226-32.nexg.net
211.47.226.59	PTR	211-47-226-59.nexg.net
211.47.226.66	A+PTR	mail.amchamkorea.org
211.47.226.67	PTR	211-47-226-67.amchamkorea.org
211.47.226.74	PTR	211-47-226-74.amchamkorea.org
211.47.226.82	PTR	211-47-226-82.amchamkorea.org
211.47.226.114	PTR	211-47-226-114.amchamkorea.org
211.47.226.136	PTR	211-47-226-136.nexg.net
211.47.226.227	PTR	211-47-226-227.nexg.net
211.47.226.233	PTR	211-47-226-233.nexg.net
211.47.226.248	PTR	211-47-226-248.nexg.net
211.47.226.250	PTR	topfield.co.kr
211.47.226.250	PTR	mail.topfield.co.kr
211.47.227.82	PTR	static.211-47-227-82.nexg.net
211.47.227.82	A	khei.com
211.47.227.82	A	www.khei.com
211.47.227.105	A	chosunhotelbakery.com
211.47.227.194	PTR	static.211-47-227-194.nexg.net
211.47.227.226	PTR	static.211-47-227-226.nexg.net
211.47.229.104	PTR	static.211-47-229-104.nexg.net
211.47.229.106	PTR	static.211-47-229-106.nexg.net
211.47.229.160	PTR	static.211-47-229-160.nexg.net
211.47.230.168	PTR	static.211-47-230-168.nexg.net
211.47.230.243	PTR	static.211-47-230-243.nexg.net
211.47.231.130	PTR	static.211-47-231-130.nexg.net
211.47.231.130	A	incns.inctech.co.kr
211.47.231.130	A	*.inctech.co.kr