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

[ Network Information ]
IPv4 Address       : 219.240.0.0 - 219.241.255.255 (/15)
Organization Name  : SK Broadband Co Ltd
Service Name       : broadNnet
Address            : Seoul Jung-gu Toegye-ro 24
Zip Code           : 04637
Registration Date  : 20020502

Name               : IP Manager
Phone              : +82-80-828-2106
E-Mail             : ip-adm@skbroadband.com

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More specific assignment information is as follows.

[ Network Information ]
IPv4 Address       : 219.240.89.0 - 219.240.89.255 (/24)
Organization Name  : Guri City Hall
Network Type       : CUSTOMER
Address            : Gyeonggi-do Guri-si Donggureung-ro 136beon-gil
Zip Code           : 11916
Registration Date  : 20070109

Name               : IP Manager
Phone              : +82-70-7630-2219
E-Mail             : ip-adm@skbroadband.com


- KISA/KRNIC WHOIS Service -