203.253.0.0 - 203.253.15.255 (SOONGSILNET1) SoongSil University; 1-1 Sangdo5dong dongjakku; SEOUL; KR 203.253.32.0 - 203.253.47.255 (KONGJUNET1) Kongju National University; 182 Sinkwandong Kongjusi; CHUNGNAM; KR 203.253.64.0 - 203.253.79.255 (HUFSNET1) Hankuk University of Foreign Studies Computer Center; 270, Imundong, Dongdaemun-gu; SEOUL; KR 203.253.96.0 - 203.253.111.255 (KOWACONET) KOrea WAter resources COrporation(KOWACO); SAN 6-2 YONCH UK-DONG, DAEDOK-GU; TAEJON; KR 203.253.128.0 - 203.253.131.255 (DGUNET) DONGGUK University; 26, 3Ga, Pil-Dong, Jung-Gu; SEOUL; KR 203.253.144.0 - 203.253.159.255 (AVIA-NET) HANKUK Aviation University; 200 -1, Hwajeon-dong, Deokyang-koo; KYONGGI; KR 203.253.192.0 - 203.253.223.255 (CHEJU-NET) Cheju National University; 1 Ara 1-Dong Cheju City; CHEJU; KR 203.253.232.0 - 203.253.232.255 (KOSEF-NET) Korea Science and Engineering Foundation; 180-1, Kajeong-dong, Youseong-ku; Taejon; KR 203.253.234.0 - 203.253.234.255 (MIRAENET4) Mirae Corporation; 9-2 Chaamdong; CHUNGNAM; KR