Robtex

Up: 211.32.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 211.32.31.0/25
Down right: 211.32.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.32.31.82	A+PTR	etax.hanabank.com
211.32.31.144	A+PTR	1588.hanabank.com
211.32.31.144	A+PTR	1588.hanabank.co.kr
211.32.31.200	A+PTR	hanasangdam.com
211.32.31.200	A+PTR	admin.hanasangdam.com
211.32.31.201	PTR	hanari.re.kr
211.32.31.201	PTR	ftp.hanaif.re.kr
211.32.31.201	PTR	new.hanaif.re.kr
211.32.31.203	PTR	hanaif.hanafn.com
211.32.31.203	A+PTR	hanaif.re.kr
211.32.31.203	PTR	www.hanaif.re.kr
211.32.31.243	A+PTR	tmail.hanabank.com
211.32.31.243	PTR	hanafoundation.or.kr
211.32.31.243	A	www.hanafoundation.or.kr
211.32.31.249	A+PTR	spam-out.hanabank.com
211.32.31.249	A+PTR	spam-out.hanafn.com
211.32.31.249	PTR	spam-out.hanasr.com
211.32.31.250	PTR	antispam.hanabank.com
211.32.31.250	A+PTR	spam-in.hanabank.com
211.32.31.250	PTR	antispam.hanafn.com
211.32.31.251	A+PTR	mail.hanabank.com
211.32.31.251	PTR	mail.hanafn.com
211.32.31.251	A+PTR	mail1.hanafn.com
211.32.31.252	A	kidsnara.com
211.32.31.252	A	spam.kidsnara.com
211.32.31.253	A	antispam1.hanafn.com