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SEA-H2X

In Service

6,000 km · 0 Landing Points · Ready for Service: 2026

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Specifications

Length6,000 km
StatusIn Service
Ready for Service2026
Landing Points0
Countries0

Owners

China Mobile China Unicom Converge ICT

Landing Points (0)

📡 Live Performance

32
measurements
1
probes
31
days monitored
178.0
ms avg RTT
0
anomalies

Monitored from 2026-04-14 through 2026-05-16 — live ICMP round-trip time measurements via RIPE Atlas probes. All values below are recomputed daily from raw probe data. ✓ No anomalies detected in the monitored period.

Measurement sources

Probe Location Samples Avg Min–Max Last seen
#6639 RIPE Atlas 32 178.0 ms 176.8–179.8 2026-05-16

About the SEA-H2X Cable System

Overview

SEA-H2X is an intercontinental submarine cable system with a total length of 6000 km. It connects Southeast Asian countries, specifically landing in six locations across China, Malaysia, the Philippines, Singapore, and Thailand.

Route and Landings

Lingshui, China

Tseung Kwan O, China

Kuching, Malaysia

La Union, Philippines

Tuas, Singapore

Songkhla, Thailand

Ownership and Operators

The cable is owned by a consortium consisting of China Mobile, China Unicom, and Converge ICT.

Status and Timeline

The Ready for Service (RFS) year for SEA-H2X is 2026.

Strategic Context

SEA-H2X connects several Southeast Asian countries, facilitating communication between China, Malaysia, the Philippines, Singapore, and Thailand. This corridor serves to enhance regional connectivity and support growing data traffic demands in the region. The cable is part of a broader trend towards improving submarine infrastructure that supports economic growth and digital transformation across Southeast Asia.

China Mobile, one of the owners, is a leading telecommunications company in China with extensive operations throughout the country. China Unicom also operates widely within China, offering a range of communication solutions including broadband and mobile services. Converge ICT, another owner, is a major player in the Philippine telecommunications market. It provides a wide array of services, including fixed and mobile communications, internet access, and managed IT services. The corridor that SEA-H2X traverses is significant for its strategic importance in connecting key markets within Southeast Asia. China, as a major economic power, seeks to enhance connectivity with neighboring countries to support trade and investment. Malaysia, the Philippines, Singapore, and Thailand are also important regional hubs, each contributing to the overall economic and technological landscape of the area.

📡 Health

Status✓ Normal
RTT176.80 ms / base 177.40 ms
Last checked2026-05-16 08:30

Monitored using RIPE Atlas probes. Open monitoring →

📊 RTT History

FAQ

What is the length of the SEA-H2X cable?
The SEA-H2X submarine cable is 6,000 km long.
Who owns the SEA-H2X cable?
SEA-H2X is owned by a consortium including China Mobile, China Unicom, Converge ICT.
When was SEA-H2X put into service?
The SEA-H2X cable entered service in 2026.
SEA-H2X
  • Length6,000 km
  • StatusIn Service
  • Ready for Service2026

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