Robtex

Up: 211.245.104.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 211.245.104.0/25
Down right: 211.245.104.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.245.104.9	PTR	3p.3psystem.co.kr
211.245.104.67	PTR	spam.joongwon.co.kr
211.245.104.70	PTR	mysqlkorea.co.kr
211.245.104.70	A	mail.mysqlkorea.co.kr
211.245.104.70	A	mysqlkorea.com
211.245.104.74	A	www.saenggreen.com
211.245.104.74	A	www.artmmerce.com
211.245.104.74	A	dnppartner.com
211.245.104.76	A	hanilnshop.com
211.245.104.77	PTR	sycos.co.kr
211.245.104.77	A+PTR	smdisplay.eu
211.245.104.77	PTR	smartdisplays.kr
211.245.104.78	A	sixtus.co.kr
211.245.104.78	A	slsi.co.kr
211.245.104.78	A	ts-panel.co.kr
211.245.104.79	A	pr.co.kr
211.245.104.79	A	kcttidc.com
211.245.104.79	A	www.pr.co.kr
211.245.104.81	A+PTR	mail.joongwon.co.kr
211.245.104.83	A	hanilcm.com
211.245.104.115	A	www.iim3.org
211.245.104.115	A	iim3.org
211.245.104.139	PTR	korchambill.net
211.245.104.139	PTR	mail.korchambill.net
211.245.104.139	PTR	www.korchambill.net
211.245.104.168	A	joongwon.co.kr
211.245.104.168	A	www.joongwon.co.kr