is a Japanese telecommunications company. Founded by Koichi Suzuki in 1992, it is JapanâÂÂs first Internet service provider (ISP).
From 1999 IIJ were listed on NASDAQ, USA (listed August 1999; ticker symbol IIJI) and as of 2006 were listed on the First Section of the Tokyo Stock Exchange (listed December 2006; stock ticker number: 3774).