Brookfield Infrastructure Partners is a publicly traded limited partnership headquartered in Hamilton (Bermuda), that engages in the acquisition and management of infrastructure assets on a global basis.Until a spin-off in January 2008, Brookfield Infrastructure was an operating unit of Brookfield Asset Management, which retains a 41% ownership and acts as the partnership's general manager.The company's assets carried a book value of $3.38 billion US$, in February 2011.