KT Corporation is an ISP that sells high-speed internet, mobile, fixed-line telephony, and IPTV bundles directly to residential and business consumers across South Korea (Source).
KT Corporation is a Network Operator that owns and operates nationwide full-fibre, copper, and satellite broadband infrastructure (Source), (Source).
South Korea
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
Korea Telecom (KT Corporation) is an ISP and Network Operator that owns and operates nationwide full-fibre, copper, and satellite broadband infrastructure while selling high-speed internet, mobile, fixed-line telephony, and IPTV bundles directly to residential and business consumers across South Korea since its founding on December 10, 1981, as the state-owned Korea Telecommunications Authority, with major milestones including privatization in 2002, acquisition of Thrunet in 2001 for broadband dominance, merger with wireless subsidiary KTF in 2009 to create a comprehensive telecom giant, commercialization of 10 Gbit/s broadband in 2018, first 5G standalone launch in 2021, acquisition of Epsilon Telecommunications in 2021, and a 2024 deal to supply $450 million in network infrastructure to Microsoft (Source), (Source).
Operator Characteristics
Retail-only ISP?
No
KT Corporation is not retail-only; KT constructs and maintains its proprietary full-fibre, copper, and satellite networks as the national incumbent while retailing services to consumers and businesses alongside wholesale offerings (Source), (Source).
Wholesale-only Network Operator?
No
KT Corporation is not wholesale-only; KT retails broadband and bundled services directly to 9 million fixed-line and 13.5 million mobile end-users via Olleh and Qook brands while providing mandatory wholesale access to infrastructure for competitors under regulatory oversight (Source), (Source).
Business-only ISP?
No
KT Corporation is not business-only; KT provides Olleh fiber broadband up to 10 Gb/s and DSL bundles to both 7 million residential households nationwide and dedicated enterprise solutions like leased lines, VPNs, and cloud integration for over 1 million business sites including SMEs and multinationals (Source), (Source).
KT Corporation owns KT Copper, legacy twisted-pair infrastructure supporting DSL-based broadband and VoIP nationwide as part of the original fixed-line backbone now supplemented by GiGA Wire upgrades for up to 1 Gb/s in non-fiber zones (Source), (Source).
KT Corporation owns KT Full-Fibre, a proprietary nationwide FTTH/GPON/XGS-PON fiber-optic network passing over 10 million households in urban and suburban areas like Seoul and Busan for symmetric speeds up to 10 Gb/s via brands like Olleh Home (Source), (Source).
KT Corporation owns KT Satellite, the Koreasat fleet providing broadband and TV services to remote rural and maritime regions through subsidiary KT SkyLife with multi-beam coverage for low-density areas (Source), (Source).