The independent reference for ocean liner shipping
Every export shipment moves under a paper trail of three letters and a check digit. Those four-letter container prefixes — the ISO 6346 owner code — tell you who actually owns the box, who controls the equipment, and which carrier you should call when the container goes missing. Blue Water Facts previously published a per-carrier owner-prefix registry. In July 2026 an internal audit found that most of the long-tail codes could not be independently verified against the Bureau International des Containers, so we removed that per-carrier list rather than keep publishing unverified codes (see /accuracy/ for the full findings). We still profile 265 ocean carriers spanning the global majors, regional intra-Asia operators, Mediterranean feeders, niche reefer specialists and the dozens of NVOCC brands active in the trade -- each profile covers fleet size, headquarters, alliance membership and the trade lanes they actually call.
Ocean shipping is an opaque industry, but it does not have to be. We publish working route corridors with realistic transit days, port-pair frequency information, and the complete carrier rotation that calls each pair. We document every standard ISO container format from a 20' general purpose dry box up to a 40' high-cube reefer, with internal dimensions, payload limits and cubic capacity drawn from the IICL and ISO 668 standard. And we cover the ocean alliances — the Gemini Cooperation, Premier Alliance, Ocean Alliance, MSC Standalone Network — that determine which vessels carry your cargo on the East-West trades.
Blue Water Facts is built for working professionals: forwarders triaging a tracking ticket, supply-chain analysts modelling capacity scenarios, ocean carrier sales teams checking competitor coverage on a corridor, and the long tail of independent NVOCCs who need to verify a partner's footprint before signing a service contract.
Browse ocean carriers
Click through to any carrier for a full profile: fleet capacity, alliance status, head office, contact details and the corridors they operate.
Featured trade-lane corridors
Corridor reports cover door-to-door transit times, sailing frequency, the carriers in rotation, distance in nautical miles and which port-pair combinations consistently outperform.
Container formats reference
The standard inventory of intermodal boxes — 20' GP, 40' GP, 40' HC, reefers, open tops, flat racks, ISO tanks and bulk containers — with the dimensions every shipper needs to plan a load.