Where i can find much Megafreighters?

I on a big Pirating Service and i searching L points ort Destinations with most Megafreighter Traffic.
Where are the Megafreigters nearly full Loaded??
mostly the Freigters carrys up to 6 Pods somtimes 10, but i hav´nt
seen a nearly full Loaded Freighter anywhere in the Game.

I´ve benn nearly finished with the Game( only 4 missions to go)
and no full loaded Megafreigters?.
Are the really existing?

Can anyone give me Tips and Help of that, wherethe most Traffic of Megafreighters is and is a full Load in the Game existing ?

Greetings

Mocbo