�� recommended max. prefix
15000 as of 2011-04
�� 24*7 NOC contact
1. noc [at] bora.net
2. infonoc [at] lguplus.co.kr

For battle.net issue, please contact center2@kidc.net or idc@kidc.net. This is the best way to solve problem and receive the answer from web administrator of that site. 