History
| 1995 | November | Jointly established through investments by Sony Corporation, Sony Music Entertainment (Japan), Inc., and Sony Finance International, Inc. |
|---|---|---|
| 1996 | January | Launched So-net Internet connection service. |
| 1997 | November | Released PostPet DX mail software. |
| 1999 | November | Became the first Internet service provider (ISP) to obtain Privacy Mark. |
| 2002 | May | Launched fiber-to-the-home (FTTH) connection service. |
| 2003 | June | Became the first domestic ISP to obtain certification for both international information security management standard (ISMS) BS7799 (currently ISO/IEC 27001:2005) and domestic ISMS designation standard (currently JIS Q 27001:2006). |
| 2005 | December | Listed on TSE Mothers. |
| 2006 | October | Changed company name to So-net Entertainment Corporation. |
| 2007 | November | Relocated headquarters to Osaki, Shinagawa-ku, Tokyo. |
| 2008 | January | Listed on TSE 1st Section. |
| 2010 | February | Acquired the ISP business from USEN CORPORATION. |
| 2012 | December | Delisted from TSE 1st Section. |
| 2013 | January | Became a wholly-owned subsidiary of Sony Corporation. |
| April | Launched "NURO Hikari". | |
| July | Changed company name to So-net Corporation. | |
| 2015 | June | Launched 10Gbps* fibre service for "NURO hikari". * Download speed |
| 2016 | March | Became a subsidiary of Sony Mobile Communications Inc. |
| May | Relocated headquarters to Higashi-shinagawa, Shinagawa-ku, Tokyo. | |
| July | Changed company name to Sony Network Communications Inc. | |
| September | Renewed LTE communication service and launched "nuro Mobile" (Currently called as "NURO Mobile"). | |
| 2017 | November | Expanded "NURO Hikari" service area to Tokai and Kansai. |
| 2018 | March | Launched 10Gbps* fibre service for "NURO hikari". * Download and upload speed |
| October | Launched smart home service "MANOMA". | |
| 2019 | March | Expanded "NURO Hikari" service area to Kyushu. |
| September | Launched "ELTRES ™ IoT Network Service", a communication service for IoT using the LPWA communication standard. | |
| December | Expanded "NURO Hikari" service area to Hokkaido. | |
| 2020 | March | Launched "NURO Hikari 20Gs". |
| 2021 | June | Expanded "NURO Hikari" service area to Western Honshu. |
| September | Rebranding of NURO business. |