MarineTraffic provides the most comprehensive maritime database to more than 6 million users monthly.

800 million vessel positions recorded monthly
18 million vessel and port related events recorded monthly
Details of over 650 thousand marine assets available (vessels, ports, lights)

Marine Traffic is the Global pioneer in AIS vessel tracking

Read more at https://www.marinetraffic.com/#OcL4dPK62C2pAIJ7.99