KRNIC is not an ISP but a National Internet Registry similar to APNIC.

AS Number          : AS9640
AS Name            : KRCERT-AS-KR

[ Organization Information ]
Name               : Korea Internet Security Agency
Address            : 9, Jeollanam-do Naju-si Jinheung-gil
Zip Code           : 58324

Name               : AS Manager
Phone              : +82-2-405-5118
E-Mail             : hostmaster@nic.or.kr


- KISA/KRNIC WHOIS Service -