Container prefix operated by Ocean Network Express
Singapore · Founded 2018 · 240+ vessels · 1.9M TEU
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What This Prefix Tells You
The first four characters of any container number identify its owner. ESSU containers belong to Ocean Network Express (ONE) — formed from the container divisions of NYK Line, MOL, and K Line — operating distinctive magenta-coloured vessels. These containers operate primarily on Transpacific, Asia–Europe, Intra-Asia. When you're tracking a ESSU container, you're tracking cargo that moves through ONE's fleet of 240+ vessels.
Owner
Ocean Network Express
Headquarters
Singapore
Fleet Size
240+ vessels
Capacity
1.9M TEU
Founded
2018
Main Routes
Transpacific, Asia–Europe, Intra-Asia
Alliance
Premier Alliance
Website
one-line.com
The Tracking Problem
ONE updates their tracking system when milestones are logged — often hours or days after they occur. If your ESSU container is slow-steaming, anchored outside port, or stuck in a customs queue, the portal won't tell you until it's logged.
ONE Portal
CargoPilot
Example ESSU Container Numbers
ESSU container numbers follow the ISO 6346 standard: four owner-code letters followed by six digits and a check digit.
Common Questions
The ESSU container prefix is the ISO 6346 owner code for Ocean Network Express (ONE), headquartered in Singapore. Ocean Network Express is formed from the container divisions of NYK Line, MOL, and K Line — operating distinctive magenta-coloured vessels. Founded in 2018, operating a fleet of 240+ vessels.
ESSU container numbers follow the ISO 6346 standard: four letters (ESSU) followed by six digits and a check digit — for example ESSU1234567 or ESSU9876543. The fourth letter is always U (freight containers), J (detachable equipment), or Z (trailers).
ESSU containers are operated by Ocean Network Express (ONE) primarily on Transpacific, Asia–Europe, Intra-Asia. The carrier is part of the Premier Alliance.
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