Robtex

Up: 211.219.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 211.219.66.0/25
Down right: 211.219.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.219.66.9	A+PTR	mail.kfb.co.kr
211.219.66.9	A	mail.scfirstbank.com
211.219.66.9	A	mail.standardchartered.co.kr
211.219.66.10	A+PTR	mail1.scfirstbank.com
211.219.66.10	A	mail1.kfb.co.kr
211.219.66.11	A	ns1.kfb.co.kr
211.219.66.12	A+PTR	mail2.scfirstbank.com
211.219.66.12	A	ns.scfirstbank.com
211.219.66.12	A	ns.kfb.co.kr
211.219.66.83	A+PTR	spam01.scfirstbank.com
211.219.66.83	A	spam01.sc.co.kr
211.219.66.83	A	smail.scfhc.co.kr
211.219.66.84	PTR	spam01.scfirstbank.com
211.219.66.85	PTR	spam02.scfirstbank.com
211.219.66.85	A	smail.scfhc.co.kr
211.219.66.85	A	abrainmail.scfirstfundservices.co.kr
211.219.66.86	PTR	spam02.scfirstbank.com
211.219.66.88	PTR	smail.scfhc.co.kr
211.219.66.115	A	sms.standardcharteredsecurities.co.kr