Robtex

Up: 211.47.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 211.47.76.0/23
Down right: 211.47.78.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.47.76.59	A	mailapp.hiworks.co.kr
211.47.78.4	A	domainca.com
211.47.78.21	A	linux7.gabia.com
211.47.78.21	A	na1.gabia.co.kr
211.47.78.21	A	linux17.gabia.com
211.47.78.31	A	gsecu.net
211.47.78.38	A	errdoc.gabia.net