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

AS Number          : AS9764
AS Name            : DAUM-NET

[ Organization Information ]
Name               : Kakao Corp
Address            : (Yeongpyeong-dong), Jeju-do Jeju-si Cheomdan-ro 242
Zip Code           : 63309

Name               : AS Manager
Phone              : +82-2-6718-3323
E-Mail             : network@kakaocorp.com


- KISA/KRNIC WHOIS Service -