Robtex

Up: 211.47.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 211.47.192.0/20
Down right: 211.47.208.0/20

IP	Type	Hostname
211.47.194.0	PTR	noneptr.skline.co.kr
211.47.200.200	A	master.onionsoftware.com
211.47.200.200	A	onionsoftware.com
211.47.206.4	A	ns1.4nb.co.kr
211.47.206.6	A	mail.4nb.co.kr
211.47.206.25	A	mail.videooffice.com
211.47.206.36	A	4nb.co.kr
211.47.206.45	A	mail.videooffice.net
211.47.206.45	A	4nbsoft.com
211.47.206.85	A	mail.videooffice.com
211.47.206.87	A	mail.videooffice.net
211.47.206.101	A	mail.msdonair.com
211.47.206.101	A	msdonair.com
211.47.206.104	A	4000king.com
211.47.208.10	PTR	mail.polymirae.com
211.47.208.10	A	smtp.polymirae.com
211.47.208.18	A+PTR	moss.polymirae.com
211.47.208.42	A	mail.polymirae.com
211.47.208.51	A	mail.yeosu.tk
211.47.208.66	A	ns1.polymirae.com
211.47.208.67	A	ns2.polymirae.com
211.47.208.68	PTR	mail1.smrt.co.kr
211.47.222.68	PTR	mail1.smrt.co.kr