Robtex

Up: 61.248.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 61.248.176.0/21
Down right: 61.248.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.248.183.3	A	mail.podoip.com
61.248.189.1	PTR	mail1.khnp.co.kr
61.248.189.2	PTR	mail1.khnp.co.kr
61.248.189.3	A+PTR	mail1.khnp.co.kr
61.248.189.4	A+PTR	mail1.khnp.co.kr
61.248.190.132	A	apr1400.com
61.248.190.132	A	apr1400.co.kr
61.248.190.144	A	apr1400.com
61.248.190.144	A	apr1400.co.kr
61.248.190.144	A	cms.khnp.co.kr
61.248.190.167	A	www.khnpacademy.com
61.248.190.236	A	ebiz.khnp.co.kr