Interspace Co., Ltd. engages in the provision of Internet advertising business. It operates through the following segments: Internet Advertising and Media Management. The Internet Advertising segment offers affiliate services focus on access trade and store front affiliate. The Media Management segment deals with the management of advertising media and contents media. It also operates media sites providing childcare information for housewives. The company was founded by Shinichiro Kawabata on November 8, 1999 and is headquartered in Tokyo, Japan.