Nippon Telegraph and Telephone East Corporation

Japanntt-east.co.jp

NTT East, Inc. is a major telecommunications provider operating in Japan as a subsidiary of Nippon Telegraph and Telephone Corporation, commonly known as the NTT Group. The company primarily focuses on delivering fixed-line telephone services, high-speed broadband internet, and enterprise communication solutions across the eastern part of Japan, encompassing regions such as Kanto, Tohoku, and Hokkaido.

Its main activities include the maintenance and expansion of extensive fiber-optic networks, as well as the integration of innovative technologies like the All-Photonics Network under the IOWN initiative. This project seeks to enhance remote operations and maintenance capabilities for industrial facilities, promoting greater sustainability and efficiency in regional plant operations through advanced, high-capacity communication systems.

NTT East functions as the overall project manager and network provider in relevant demonstration initiatives, connecting various sites with its IOWN infrastructure. The company operates within a group structure where NTT, Inc. holds the parent position, allowing for coordinated efforts in research, development, and service delivery across the telecommunications sector.

In the industry, NTT East is recognized as one of Japan's leading telecom operators, playing a key role in the nation's digital infrastructure and supporting the transition to next-generation networks. Its contributions extend to both consumer markets and industrial applications, positioning it as a vital player in advancing Japan's communication technology landscape.

Also known as NTT East, Inc..

Latest news on NTT East

12 June 2026
Chiyoda: Demonstration of next-generation remote O&M using IOWN APN

Testing a low-latency, zero-jitter photonic network to enable real-time remote monitoring, control and anomaly detection for regional plants.