CMAU → CMA CGM · carrier prefix
CMAU Container Tracking — CMA CGM-Owned Prefix
Track on cma-cgm.com — official CMA CGM tracker
CMA CGM is the French giant out of Marseille, third by fleet size and owner of the APL brand it bought in 2016 plus the intra-Asia specialist CNC.
The register mirrors those deals: alongside the core CMA codes sit three APL-heritage prefixes and the CNC brand code, all tracked on the one cma-cgm.com system.
4 letters + 7 digits, printed on the doors
CMAU check digit: worked example
C | M | A | U | 1 | 5 | 6 | 8 | 6 | 8 |
|---|---|---|---|---|---|---|---|---|---|
| 13 | 24 | 10 | 32 | 1 | 5 | 6 | 8 | 6 | 8 |
| ×1 | ×2 | ×4 | ×8 | ×16 | ×32 | ×64 | ×128 | ×256 | ×512 |
| 13 | 48 | 40 | 256 | 16 | 160 | 384 | 1024 | 1536 | 4096 |
Sum 7573 → 7573 mod 11 = 5 → check digit 5 → CMAU 156868-5
CMA CGM prefix family
Tracking with CMA CGM
The cma-cgm.com tracker wants the number pasted into its form; deep links are not honoured.
Frequently asked questions
Who owns the CMAU container prefix?
CMAU is registered to CMA CGM, founded 1978 — one of 7 prefixes the line holds in the BIC register, alongside CGMU, ECMU, APZU.
How do I track a CMAU container?
Track CMAU containers free on the official CMA CGM tracker at cma-cgm.com — paste the full 11-character number (like the CMAU example on this page) and no account is needed.
Is CMAU 1568685 a valid container number?
Yes — CMAU 156868-5 passes ISO 6346 validation: the weighted letter-and-digit sum for CMAU156868 leaves remainder 5 mod 11, giving check digit 5. The worked table for this CMAU example is on this page.
Is CMAU a shipping line prefix or a leasing company prefix?
CMAU is a shipping-line (carrier) prefix — CMA CGM both owns the boxes and moves them, so owner and tracker are the same company.