KDDI is an ISP that sells high-speed internet, telephony, and bundled services directly to residential and business consumers nationwide in Japan (Source).
KDDI is a Network Operator that owns and operates its own full-fibre and copper broadband infrastructure (Source), (Source).
Japan
Valid from
Organization: Any kind of organization. The Organization class represents a kind of Agent corresponding to social instititutions such as companies, societies etc.
About
KDDI is an ISP and Network Operator that owns and operates its own full-fibre and copper broadband infrastructure while selling high-speed internet, telephony, and bundled services directly to residential and business consumers nationwide in Japan since its founding on October 1, 2000, through the merger of DDI Corp., KDD Corp., and IDO Corp., with major milestones including the launch of au Hikari FTTH services in 2005, 50% ownership of J:COM (Jupiter Telecommunications), transfer of KDDI cable-TV business to J:COM in January 2024, launch of au Starlink Direct on 10 April 2025, and introduction of 5G mobile services in 2020 (Source), (Source), (Source).
Operator Characteristics
Retail-only ISP?
No
KDDI is not retail-only; KDDI constructs and operates its full-fibre, copper, and cable networks alongside retailing services to end-users (Source), (Source).
Wholesale-only Network Operator?
No
KDDI is not wholesale-only; KDDI retails broadband directly to consumers via au Hikari and au one net brands while offering wholesale dark fiber and backhaul to carriers (Source), (Source).
Business-only ISP?
No
KDDI is not business-only; KDDI delivers au Hikari broadband and bundles to both residential households nationwide and enterprise VPN/high-capacity solutions for corporations (Source), (Source).
KDDI owns KDDI Cable, hybrid fiber-coax systems acquired through Japan Cablenet integration, providing TV and internet to 4.49 million households in regional markets (Source), (Source).
KDDI owns KDDI Full-Fibre, a proprietary FTTH network branded as au Hikari covering major urban areas like Tokyo and Osaka with direct fiber delivery to over 4 million subscribers (Source), (Source).