210.110.0.0 - 210.110.127.255 (KREN) Korean Education Network; San 56-1, Shilrim-dong, Kwanak-gu, Seoul, Korea; KR 210.110.128.0 - 210.110.255.255 (KREONET) KORDIC; 1 ueun-dong, yusong-gu, Taejon, Korea; KR