1991
1991-12-01	JNIC established office in the University of Tokyo Computer Center.
	Implemented "Concerning Registration of JP Domain Names" document.
1992
1992-06-08	IP address assignment and management services transferred to JNIC from Address Coordination Committee.
1993
1993-04-09	JNIC reorganized as JPNIC, a membership organization composed of Internet service providers.
1993-05-29	First meeting of Steering Committee held.
1993-09-01	APNIC pilot project launched.
1993-11-01	Pilot project for IP address agent services by JPNIC member ISPs begun.
1993-12-01	Geographic type domain name experimental project begun.
1993-12-16	JPNIC delegated by InterNIC to manage reverse DNS name server for JPNIC-assigned address blocks.
1994
1994-04-15	First issue of "JPNIC Newsletter" published.
1994-07-20	Started JPNIC Web information provision service.
1995
1995-06-01	Application fees for IP addresses and JP domain names introduced.
1995-07-01	Introduced fee schedule for IP address assignment by agent ISPs.
1995-09-01	Pilot project for sub-allocation (IP address assignments smaller than Class C) begun.
1995-12-15	Office moved to Kanda-Surugadai (Mansui Bldg.).
1996
1996-04-01	Full-scale operations for geographic type domain names begun.
1996-07-31	Number of JP domain name registrations exceeded 10,000.
1996-11-06	NE domain name introduced for network service providers.
1996-12-10	Abolished "third level uniqueness rule" for JP domain names.
	Assignment of domain names that start with a number begun.
1997
1997-03-31	Received official government recognition as non-profit organization.
1997-08-07	AS number assignment services transferred to JPNIC from JEPG/IP; operations begun.
1997-11-07	Meeting titled "New Developments in the Domain Name System - An Opportunity to Meet Members of the Interim Policy Oversight Committee (iPOC) to Discuss Policy and Legal Aspects of the New Top Level Domains" held.
1997-12-01	GR domain introduced for non-corporate entities.
1997-12-16～19	First "Internet Week" convened.
1998
1998-02-06～08	Office moved to Kanda-Ogawamachi (Fuundo Bldg.).
1998-03-01	"Rules for JP domain name registration" took effect.
1999
1999-02-01	ED domain name, for educational institutions, introduced.
1999-04-30	Began work in earnest on the Internationalized Domain Name project.
1999-05-26	Formally announced full commitment to IPv6.
1999-09-28	Number of JP domain name registrations exceeded 100,000.
1999-12-14～18	"The Third Internet Week" held, of which JPNIC became the primary sponsor.
2000
2000-01-20	Agent Services for IPv6 Sub-TLA applications to APNIC begun.
2000-07-13	Distribution of beta version of Multilingual Domain Name evaluation kit (mDNkit) begun.
2000-07-13～17	Hosted ICANN Yokohama Meeting.
2000-07-18～21	INET2000 held, with JPNIC as major sponsor.
2000-08-22	Entered into agreement with the Industrial Property Arbitration Center (now the Japan Intellectual Property Arbitration Center) to be a JP domain name dispute resolution service provider.
2000-10-19	"JP Domain Name Dispute Resolution Policy" took effect
2000-12-26	Japan Registry Service Co., Ltd. (JPRS) established.
2001
2001-02-22	Registration of general use JP domain names begun.
2001-04-01	New membership structure introduced.
	IP Address Management Agent system introduced.
2001-07-25	First meeting of the Policy Advisory Council, successor to the Steering Committee, held.
2001-09-14	"JPNIC News & Views," a new mail magazine, introduced.
2001-09-22～24	Office moved to Uchi-Kanda (Kokusai-Kougyou-Kanda Bldg.)
2001-10-23	First ICANN Reporting Session held.
2001-12-06	First JPNIC Open Policy Meeting held.
2002
2002-02-27	JPRS and ICANN entered into ".JP ccTLD Sponsorship Agreement."
2002-04-01	JP domain name registration and management functions transferred to JPRS.
	Activities relating to Internet security commenced.
2002-06-03	Awarded MPHPT Minister's Award for "Info-Communications Promotion Month 2002."
2002-07-01	New IPv6 Address Allocation and Assignment Policy implemented. JPIRR trial services begin.
2002-08-23	JPIRR trial services begun.
2002-09-3-6	Acted as local host of the 14th APNIC Open Policy Meeting.
2002-10-18	Logo mark for JPNIC members created.
2002-12-13	"Next Generation Task Force" created.
2003
2003-01-01	Number of JP domain name registrations exceeded 500,000.
2003-04-23	First Hostmaster Consultation Session held.
2003-05-12	Pages for use of members created within the JPNIC Web.
2003-05-23	Report issued by The ENUM Study Group, the secretariat of which was supported by JPNIC.
2003-07-07	First JPNIC,JPCERT/CC Security Seminar 2003 held.
2003-09-17	Inauguration of "ENUM Trial Japan," the secretariat of which was jointly supported by JPNIC and JPRS.
2004
2004-03-19	Launched provider independent address assignment service.
2004-05-12	First debriefing meeting of ENUM Trial Japan held.
2004-07-01	JP domain name registry data escrow transferred to tripartite system.
2004-08-18	IP address fee structure revised.
2004-08-20	Internet Governance Task Force (IGTF) established.
2004-11-15	New resource management system launched.
2004-12-01	"VoIP/SIP System Interoperability Task Force" established. (Joint secretariat: JPNIC/MRI)
2005
2005-01-26	First IGTF Reporting Session held.
2005-02-18～25	Served as a local host of APRICOT 2005.
2005-03-22	Separated WHOIS system from JPRS (.jp registry).
2005-05-16	Localized IPv6 address resource service.
2005-06-17	Shigeki Goto succeeded Jun Murai as President of JPNIC.
2005-08-05	Jun Murai, former president of JPNIC, received Jon Postel Award 2005.
2005-09-01	Experimental authentication service using JPNIC resource service CA (certification authority) in IP address services started.
2005-10-20	JPNIC-JPCERT/CC Security Seminar 2005 held in Osaka.
2005-11-08	JPNIC-JPCERT/CC Security Seminar 2005 held in Sapporo.
2006
2006-01-24	Implemented partial reduction of IPv6 allocation fee
2006-01-25	Started Japan ENUM Trial using E.164 numbers beginning with Japanese country code 81.
	Started route6 object registration in the JPIRR test service.
2006-04-03	Released report on "Recommendations on preparing for IPv4 address depletion"
2006-04-17～21	Hosted SIPit18 (18th SIP Interoperability Tests) held for first time in Japan.
2006-04-27	Co-hosted the first session of IETF Forum Japan 2006.
2006-08-01	Officially launched the JPIRR service
2006-12-05～08	The 10th Internet Week held
2007
2007-03-07	4-byte AS number assignment service started.
2007-03-26	IPv6-based web and WHOIS service started.
2007-06-01	Amended "JP Domain Name Dispute Resolution Policy (JP-DRP)" and "Rules for the JP Domain Name Dispute Resolution Policy" went into effect.
2007-06-15	Formal statement on IPv4 address inventory depletion in Internet Registries issued.
2007-07-31	Number of registered maintainer objects in JPIRR Service topped 100.
2007-12-07	Research paper "Study Report on the IPv4 Address Space Exhaustion Issue (Phase I)" published.
2007-12-17	Service trial on authorization mechanism in JPIRR Service started.
2008
2008-02-08	Started IPv6 portable assignment service for small multi-homed networks.
2008-03-04	Cumulative number of registered .JP Domain Names exceeded 1,000,000.
2008-04-30	JPNIC board of trustees expressed concern about "Legislation of restriction to youth's Internet use" by several diet members.
2008-05-21	Started experiment on notifying route hijacks.
2008-09-29	Officially started authentication using JPNIC resource service CA for IP address management agents.
2008-10-28	IPv6 access supported in web-based resource management system for LIRs.
2009
2009-03-11	Completed collection of untapped historical PI(Provider Independent) addresses.
2009-05-18～22	Hosted SIPit24 (24th SIP Interoperability Tests) held for second time in Japan.
2009-07-31	Started confirmation about AS numbers without active contacts.
2009-09-25	Joined Japan Internet Domain Name Council(JIDNC).
2010
2010-03-23	Confirmation on holders of historical AS numbers completed.
2010-04-19	Officially started authentication using JPNIC resource service CA for IP address management agents. Option of personal name un-displaying in Whois introduced.
2010-07-26	Distribution method of IPv6 address simplified.
2010-10-12	Japan Internet Domain Name Council (JIDNC) appointed JPRS to the the registry of Japanese IDN ccTLD.
2011
2011-02-03	IANA's free pool of IPv4 address space depleted.
2011-04-15	Exhaustion of APNIC's IPv4 address pool and post-exhaustion address management policy took effect in JPNIC.
2011-06-16	Revised again IP address and AS number fee structure.
2011-08-01	Started the IPv4 address transfer request process.
2011-12-01	20th anniversary from JNIC establishment.
2011-12-05	Started IPv4-IPv6 testbed for everyone.
2012
2012-04-01	Started new IP address and AS number fee structure.
2012-06-15	Approval of juridical personality change at 47th JPNIC General Meeting by legal regulation change.
2012-08-27	Office moved to Uchi-Kanda (Urbannet-Kanda Bldg.)
2012-11-02	JPNIC submitted comments about revising ITRs to ITU.
2013
2013-04-01	Juridical Personality Change Caused by Legal Regulation Change
2013-07-01	Mr. Haruhisa Ishida and Dr. Jun Murai Inducted into 2013 INTERNET HALL OF FAME
2013-08-13	JPNIC Submits Comments to ITU's Council Working Group on International Internet-related Public Policy Issues (CWG-Internet)
2013-09-06	JPNIC Publishes "The Internet Timeline" as an Output of Its History Compilation Project
2013-12-06	ID and Password Authentication on IP Address Management Business Abolished
2013-12-16	MoU Singed by VNNIC and JPNIC
2014
2014-01-21	JPNIC Initiatives against New gTLD's Name Collision Issues
2014-02-20	JPNIC Technical Seminar - IPv6, DNS, Routing and Network Security
2014-04-09	Dr. Masaki Hirabaru Inducted into 2014 INTERNET HALL OF FAME
2014-07-24	IGCJ (Intenet Governance Conference Japan) Established
2014-10-01	JPNIC Starts Experimental Public ROA Cache Server to Enable RPKI Origin Validation
2014-11-17	"History of Internet Resources Management in Japan" Published as Web Version
2015
2015-03-03	JPNIC Starts Pilot RPKI Service
2015-04-07	Nic.ad.jp Signed with DNSSEC
2015-05-07	JPNIC and JPRS Publish "History of Internet Resources Management in Japan - Focusing on Domain Name and IP Address".
2015-07-13	JPNIC Starts Pilot Blog
2015-09-01	Tech Seminar in Takamatsu
2015-11-09	DNSSEC Introduction to Reverse DNS
2015-12-21	JPNIC Starts IPv4 Transfers Listing Service
2016
2016-08-05	30 Years Anniversary for .JP Delegation
2017
2017-06-01	In Nagoya, the First of Internet Week Showcase Held
2017-07-01	Revised JP Domain Name Dispute Resolution Policy and Its Rules Now Active
2017-09-19	Shigeki Goto, President of JPNIC, Inducted into 2017 INTERNET HALL OF FAME
2018
2018-04-12	Start Consideration for ICANN64 Local Host Committee Composition
2018-06-25	Deliver JPNIC's Recommendations to the Task Force on Digital Piracy
2018-07-02	JPIRR Starts Mirroring with Moscow Internet Exchange
2019
2019-02-18	Expand Coverage of International Conference Participation Support Program
2019-03-09	ICANN Conference (ICANN 64 Kobe) Held in Japan for the First Time in 19 Years
2019-07-03	New Allocation from IPv4 Address Inventory Returned to JPNIC no Longer Available
2020
2020-09-23	JP Domain Name Dispute Resolution Policy (JP-DRP) 20th Anniversary Symposium Held
2020-10-01	Revised JP Domain Name Dispute Resolution Policy and Its Rules Now Active
2020-11-03	JPNIC President Shigeki Goto (Professor Emeritus, Waseda University) Receives the Order of the Sacred Treasure
2021
2021-02-19	Series of Study Sessions on Standardization Begins
2021-05-14	Meeting of the National IGF Activities Acceleration Team Kickstarts
2021-06-03	1st JPNIC Talk Lounge Held
2021-08-12	JPNIC Newsletter Now Available as an Ebook
2021-09-17	Released an Introductory Guide to the Internet for Beginners
2021-10-14	JPNIC Technical Seminar On-Demand Now Available for Streaming
2022
2022-04-04	Revisiting the Ideals of JPNIC
2022-06-13	Leadership Transition at JPNIC: Hiroshi Ezaki Succeeds Shigeki Goto as Chairman
2022-08-01	Partial Restructuring of Secretariat Operations Implemented
2022-09-05	Discontinuation of pgp.nic.ad.jp Service
2022-12-21	Updated MoU with VNNIC
2023
2023-03-03	Request for Governance Enhancement to APNIC
2023-03-25	IETF 116 Held in Yokohama
2023-05-01	Submission of Comments to the Global Digital Compact
2023-06-19	Announcement of APNIC56 Meeting
2023-10-08	IGF 2023 Held in Japan