Robtex

Up: 211.254.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 211.254.160.0/20
Down right: 211.254.176.0/20

IP	Type	Hostname
211.254.161.4	PTR	mail2.nobland.com
211.254.161.4	PTR	nms.nobland.com
211.254.161.4	PTR	mail2.nobland.co.kr
211.254.179.210	A+PTR	mail.kunhwamc.com
211.254.179.210	A	kunhwamc.com
211.254.179.210	A	ns.kunhwamc.com
211.254.179.221	A	kunhwaedu.co.kr