Private company

Open Computer Network

Major Internet Service Provider in Japan founded in 19961

OCN (オーシーエヌ), or Open Computer Network(オープン・コンピュータ・ネットワーク:Ōpun Konpyūta nettowāku), is the largest Japanese Internet service provider, with over 7 million subscribers. It is owned by NTT Communications Corp, one of the largest telecommunication companies in the world.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

Dec 1996Founded1

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OCN (オーシーエヌ), or Open Computer Network(オープン・コンピュータ・ネットワーク:Ōpun Konpyūta nettowāku), is the largest Japanese Internet service provider, with over 7 million subscribers. It is owned by NTT Communications Corp, one of the largest telecommunication companies in the world.2

Timeline

  1. Dec 1996Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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