The National Internet Development Agency of Korea (한국인터넷진흥원, NIDA) is the South Korean Ministry of Information and Communication sub-organization dealing with the allocation and maintenance of South Korea's IPv4/IPv6 address space (and the related WHOIS information), Autonomous System Numbers, and .kr country code top-level domain (ccTLD).
The organization was created in 2004 pursuant to Article 9 of the Act on Internet Address Resources (passed on July 30, 2004), and subsumed the Korea Network Information Center, previously a non-profit organization founded in 1999. The president of the organization as of November 2008 was Dr. Park Syung-Kyoo.