Robtex

Up: 211.172.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 211.172.128.0/21
Down right: 211.172.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.172.131.72	A	chartkorea.com
211.172.131.72	A	www.chartkorea.com
211.172.134.10	A	jacast.com
211.172.134.10	A	jacast.co.kr
211.172.134.10	A	jacast.net
211.172.139.191	A	host.dyn.nu
211.172.141.147	A	hua.dyn.nu