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

AS Number          : AS9846
AS Name            : FIRSTDATA-AS-KR

[ Organization Information ]
Name               : FDIK
Address            : 1926, Seoul Jung-gu Supyo-ro 34
Zip Code           : 04555

Name               : AS Manager
Phone              : +82-2-2088-3880
E-Mail             : datacenter@kpn.co.kr


- KISA/KRNIC WHOIS Service -