1991
1991.12.1	JNIC established office in the University of Tokyo Computer Center.
	Implemented "Concerning Registration of JP Domain Names" document.
1992
1992.6.8	IP address assignment and management services transferred to JNIC from Address Coordination Committee.
1993
1993.4.9	JNIC reorganized as JPNIC, a membership organization composed of Internet service providers.
1993.5.29	First meeting of Steering Committee held.
1993.9.1	APNIC pilot project launched.
1993.11.1	Pilot project for IP address agent services by JPNIC member ISPs begun.
1993.12.1	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
1994.4.15	First issue of "JPNIC Newsletter" published.
1994.7.20	Started JPNIC Web information provision service.
1995
1995.6.1	Application fees for IP addresses and JP domain names introduced.
1995.7.1	Introduced fee schedule for IP address assignment by agent ISPs.
1995.9.1	Pilot project for sub-allocation (IP address assignments smaller than Class C) begun.
1995.12.15	Office moved to Kanda-Surugadai (Mansui Bldg.).
1996
1996.4.1	Full-scale operations for geographic type domain names begun.
1996.7.31	Number of JP domain name registrations exceeded 10,000.
1996.11.6	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
1997.3.31	Received official government recognition as non-profit organization.
1997.8.7	AS number assignment services transferred to JPNIC from JEPG/IP; operations begun.
1997.11.7	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.
1997.12.1	GR domain introduced for non-corporate entities.
1997.12.16-19	First "Internet Week" convened.
1998
1998.2.6-8	Office moved to Kanda-Ogawamachi (Fuundo Bldg.).
1998.3.1	"Rules for JP domain name registration" took effect.
1999
1999.2.1	ED domain name, for educational institutions, introduced.
1999.4.30	Began work in earnest on the Internationalized Domain Name project.
1999.5.26	Formally announced full commitment to IPv6.
1999.9.28	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
2000.1.20	Agent Services for IPv6 Sub-TLA applications to APNIC begun.
2000.7.13	Distribution of beta version of Multilingual Domain Name evaluation kit (mDNkit) begun.
2000.7.13-17	Hosted ICANN Yokohama Meeting.
2000.7.18-21	INET2000 held, with JPNIC as major sponsor.
2000.8.22	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
2001.2.22	Registration of general use JP domain names begun.
2001.4.1	New membership structure introduced.
	IP Address Management Agent system introduced.
2001.7.25	First meeting of the Policy Advisory Council, successor to the Steering Committee, held.
2001.9.14	"JPNIC News & Views," a new mail magazine, introduced.
2001.9.22-24	Office moved to Uchi-Kanda (Kokusai-Kougyou-Kanda Bldg.)
2001.10.23	First ICANN Reporting Session held.
2001.12.6	First JPNIC Open Policy Meeting held.
2002
2002.2.27	JPRS and ICANN entered into ".JP ccTLD Sponsorship Agreement."
2002.4.1	JP domain name registration and management functions transferred to JPRS.
	Activities relating to Internet security commenced.
2002.6.3	Awarded MPHPT Minister's Award for "Info-Communications Promotion Month 2002."
2002.7.1	New IPv6 Address Allocation and Assignment Policy implemented. JPIRR trial services begin.
2002.8.23	JPIRR trial services begun.
2002.9.3-6	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
2003.1.1	Number of JP domain name registrations exceeded 500,000.
2003.4.23	First Hostmaster Consultation Session held.
2003.5.12	Pages for use of members created within the JPNIC Web.
2003.5.23	Report issued by The ENUM Study Group, the secretariat of which was supported by JPNIC.
2003.7.7	First JPNIC,JPCERT/CC Security Seminar 2003 held.
2003.9.17	Inauguration of "ENUM Trial Japan," the secretariat of which was jointly supported by JPNIC and JPRS.
2004
2004.3.19	Launched provider independent address assignment service.
2004.5.12	First debriefing meeting of ENUM Trial Japan held.
2004.7.1	JP domain name registry data escrow transferred to tripartite system.
2004.8.18	IP address fee structure revised.
2004.8.20	Internet Governance Task Force (IGTF) established.
2004.11.15	New resource management system launched.
2004.12.1	"VoIP/SIP System Interoperability Task Force" established. (Joint secretariat: JPNIC/MRI)
2005
2005.1.26	First IGTF Reporting Session held.
2005.2.18-25	Served as a local host of APRICOT 2005.
2005.3.22	Separated WHOIS system from JPRS (.jp registry).
2005.5.16	Localized IPv6 address resource service.
2005.6.17	Shigeki Goto succeeded Jun Murai as President of JPNIC.
2005.8.5	Jun Murai, former president of JPNIC, received Jon Postel Award 2005.
2005.9.1	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.
2005.11.8	JPNIC-JPCERT/CC Security Seminar 2005 held in Sapporo.
2006
2006.1.24	Implemented partial reduction of IPv6 allocation fee
2006.1.25	Started Japan ENUM Trial using E.164 numbers beginning with Japanese country code 81.
	Started route6 object registration in the JPIRR test service.
2006.4.3	Released report on "Recommendations on preparing for IPv4 address depletion"
2006.4.17-21	Hosted SIPit18 (18th SIP Interoperability Tests) held for first time in Japan.
2006.4.27	Co-hosted the first session of IETF Forum Japan 2006.
2006.8.1	Officially launched the JPIRR service
2006.12.5-8	The 10th Internet Week held
2007
2007.3.7	4-byte AS number assignment service started.
2007.3.26	IPv6-based web and WHOIS service started.
2007.6.1	Amended "JP Domain Name Dispute Resolution Policy (JP-DRP)" and "Rules for the JP Domain Name Dispute Resolution Policy" went into effect.
2007.6.15	Formal statement on IPv4 address inventory depletion in Internet Registries issued.
2007.7.31	Number of registered maintainer objects in JPIRR Service topped 100.
2007.12.7	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
2008.2.8	Started IPv6 portable assignment service for small multi-homed networks.
2008.3.4	Cumulative number of registered .JP Domain Names exceeded 1,000,000.
2008.4.30	JPNIC board of trustees expressed concern about "Legislation of restriction to youth's Internet use" by several diet members.
2008.5.21	Started experiment on notifying route hijacks.
2008.9.29	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
2009.3.11	Completed collection of untapped historical PI(Provider Independent) addresses.
2009.5.18-22	Hosted SIPit24 (24th SIP Interoperability Tests) held for second time in Japan.
2009.7.31	Started confirmation about AS numbers without active contacts.
2009.9.25	Joined Japan Internet Domain Name Council(JIDNC).
2010
2010.3.23	Confirmation on holders of historical AS numbers completed.
2010.4.19	Officially started authentication using JPNIC resource service CA for IP address management agents. Option of personal name un-displaying in Whois introduced.
2010.7.26	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
2011.2.3	IANA's free pool of IPv4 address space depleted.
2011.4.15	Exhaustion of APNIC's IPv4 address pool and post-exhaustion address management policy took effect in JPNIC.
2011.6.16	Revised again IP address and AS number fee structure.
2011.8.1	Started the IPv4 address transfer request process.
2011.12.1	20th anniversary from JNIC establishment.
2011.12.5	Started IPv4-IPv6 testbed for everyone.
2012
2012.4.1	Started new IP address and AS number fee structure.
2012.6.15	Approval of juridical personality change at 47th JPNIC General Meeting by legal regulation change.
2012.8.27	Office moved to Uchi-Kanda (Urbannet-Kanda Bldg.)
2012.11.2	JPNIC submitted comments about revising ITRs to ITU.
2013
2013.4.1	Juridical Personality Change Caused by Legal Regulation Change
2013.7.1	Mr. Haruhisa Ishida and Dr. Jun Murai Inducted into 2013 INTERNET HALL OF FAME
2013.8.13	JPNIC Submits Comments to ITU's Council Working Group on International Internet-related Public Policy Issues (CWG-Internet)
2013.9.6	JPNIC Publishes "The Internet Timeline" as an Output of Its History Compilation Project
2013.12.6	ID and Password Authentication on IP Address Management Business Abolished
2013.12.16	MoU Singed by VNNIC and JPNIC
2014
2014.1.21	JPNIC Initiatives against New gTLD's Name Collision Issues
2014.2.20	JPNIC Technical Seminar - IPv6, DNS, Routing and Network Security
2014.4.9	Dr. Masaki Hirabaru Inducted into 2014 INTERNET HALL OF FAME
2014.7.24	IGCJ (Intenet Governance Conference Japan) Established
2014.10.1	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
2015.3.3	JPNIC Starts Pilot RPKI Service
2015.4.7	Nic.ad.jp Signed with DNSSEC
2015.5.7	JPNIC and JPRS Publish "History of Internet Resources Management in Japan - Focusing on Domain Name and IP Address".
2015.7.13	JPNIC Starts Pilot Blog
2015.9.1	Tech Seminar in Takamatsu
2015.11.9	DNSSEC Introduction to Reverse DNS
2015.12.21	JPNIC Starts IPv4 Transfers Listing Service
2016
2016.8.5	30 Years Anniversary for .JP Delegation
2017
2017.6.1	In Nagoya, the First of Internet Week Showcase Held
2017.7.1	Revised JP Domain Name Dispute Resolution Policy and Its Rules Now Active
2017.9.19	Shigeki Goto, President of JPNIC, Inducted into 2017 INTERNET HALL OF FAME