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So-net ( is a ソネット So-netto) Japanese internet service provider operated by Sony Network Communications Inc. (, a wholly owned subsidiary of ソニーネットワークコミュニケーションズ株式会社 Sonī Network Communications Kabushiki Gaisha) Sony.
November 1995 - The operating company, Sony Communication Network Corporation (SCN) was established as a subsidiary of
Sony. January 1996 - launched ISP business.
November 1997 - Released PostPet DX mail software.
November 1999 - Became the first Internet service provider (ISP) to obtain Privacy Mark.
August 2001 - started
ADSL service. September 2001 - purchased WebOnline Networks, the operating company of "JustNet", from
JustSystems. October 2001 - launched "Harbot" service.
April 2002 - merged with WebOnline Networks, Ltd.
May 2002 - started optical fiber connection service.
March 2003 - started
IP telephone service. December 2005 - listed on the Mothers market of
Tokyo Stock Exchange. October 2006 - changed its corporate name to So-net Entertainment Corporation.
July 2007 - Established MotionPortrait, Inc.
August 2007 - Acquired So-net Entertainment Taiwan Ltd. as a consolidated subsidiary.
November 2007 - Relocated headquarters to Osaki, Shinagawa-ku, Tokyo.
January 2008 - Listed on TSE 1st Section.
July 2008 - Acquired So-net Media Networks Corporation as a consolidated subsidiary.
March 2009 - So-net Entertainment Taiwan Ltd. signed a capital/business partnership contract with Chunghwa Telecom Co., Ltd. (CHT).
February 2010 - Acquired the ISP business from USEN CORPORATION.
May 2011 - So-Net hacked from unknown IP address. Roughly $1225 in customer's redeemable gift points stolen.
 July 2012 - Established So-net Business Associates Corporation.
December 2012 - Delisted from TSE 1st Section.
January 2013 - Became a wholly owned subsidiary of Sony Corporation.
April 2013 - So-net launches Nuro, a
FTTH service that provides 2Gbit/s internet. Initial markets include Chiba, Gunma, Ibaraki, Tochigi, Tokyo, Kanagawa and Saitama in Japan. July 2013 - Changed company name to So-net Corporation.
April 2014 - Integrated “bit-drive” business, the Sony Business Solutions Corporation IT solutions service for corporations.
February 2015 - Launched “So-net Hikari Collaboration”
July 2016 - Changed company name to Sony Network Communications Inc.
October 2016 - So-net launches nuro mobile, a mobile virtual network operator (MVNO) operating on the NTT DoCoMo and SoftBank networks.