How often is your MBL data refreshed?

Carrier EDI feeds refresh every 15 minutes, so new events appear quickly.

● 25+ Carriers Supported

Master Bill of Lading Tracking—Instant Status for Every Container

Q: What is a Master Bill of Lading (MBL)?

An MBL is the main contract of carriage issued by an ocean carrier / NVOCC and required for customs release.

Q: How do I track a Master Bill of Lading online?

Enter the MBL number—four-letter prefix plus 8-12 digits—and click Track to view live milestones.

Q: Which carriers can I track?

TrackCargo supports 25+ VOCC & NVOCC prefixes including Maersk, MSC, CMA CGM and OOCL.

Q: How many MBLs can I track on the free plan?

You can track up to 15 master bills of lading per month free.

Paste an MBL number and see every linked box, port call and ETA in seconds—no more carrier portals.

Select Shipping Line

MRSK - Maersk Line

MBL / Booking Number

Why Logistics Teams Trust Our Master Bill of Lading (MBL) Tracking

Automatic Container Merge

Every container tied to your Master Bill of Lading is instantly consolidated into one real-time shipment timeline—no spreadsheets, no manual merges.

Live MBL Tracking Dashboard

View every Master Bill of Lading in a single, dashboard with up-to-the-minute status, predictive ETAs, and analytics to fine-tune your next shipping plan.

Developer-Ready REST API

Embed real-time MBL and container tracking data directly into your TMS, ERP, or custom app with our robust, well-documented REST API.

Global Coverage – 25 + Carrier Prefixes

Track containers across the globe—spanning industry giants like Maersk and MSC to specialized NVOCCs—through a single MBL tracking platform.

How to Track an MBL in 3 Steps

Select the carrier

Choose from Maersk, MSC, CMA CGM and 60+ more.

Enter the MBL number

We ignore spaces and dashes automatically.

View the timeline

Check current status, upcoming milestones and our ETA prediction.

Frequently Asked Questions

What is a Master Bill of Lading (MBL)?

A Master Bill of Lading is the main contract of carriage issued by an ocean carrier / NVOCC. It lists the shipper, consignee, vessel, voyage and every container in the shipment, and customs requires it before cargo can be released.

How do I track a Master Bill of Lading online with TrackCargo?

Enter the MBL number—typically a four-letter carrier prefix (e.g. MAEU , MSCU , CMDU ) followed by 8–12 digits—into the search bar and press Track . The dashboard instantly shows the latest carrier events, current status and the carrier-provided arrival date.

How often is your MBL-tracking data refreshed?

Carrier data refresh every day , so new milestones such as Loaded on Vessel , Discharged or Gate-Out appear as soon as posted by the carrier.

Which carriers can I track?

TrackCargo supports over 25+ VOCC and NVOCC prefixes, including Maersk , MSC , CMA CGM , Hapag-Lloyd , OOCL and many regional lines. We add new carriers each month.

How many MBLs can I track on the free plan?

The free trial lets you track up to 5 master bills of lading per month . You can upgrade at any time if you need higher volume or API access.

Ready to simplify your MBL tracking?

Create a free TrackCargo account and automate every status change—no credit card required.

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