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

[ Network Information ]
IPv4 Address       : 203.230.0.0 - 203.230.31.255 (/19)
Organization Name  : KISTI
Service Name       : KREONet
Address            : Daejeon Yuseong-gu Daehak-ro 245
Zip Code           : 34141
Registration Date  : 20021225

Name               : IP Manager
Phone              : +82-42-869-0707
E-Mail             : noc@kreonet.net

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More specific assignment information is as follows.

[ Network Information ]
IPv4 Address       : 203.230.2.0 - 203.230.3.255 (/23)
Organization Name  : SungKyunKwan University (SKKU)
Network Type       : CUSTOMER
Address            : 25-2 Seonggyungwan-ro, Jongno-gu, Seoul
Zip Code           : 03063
Registration Date  : 20250922

Name               : IP Manager
Phone              : +82-42-869-0707
E-Mail             : noc@kreonet.net


- KISA/KRNIC WHOIS Service -