The Treasury Department is targeting Iranian networks that allegedly buy and transport billions of dollars worth of Iranian oil in violation of international sanctions.

The sanctions block all property in the United States that are owned by the people on the list, and all interests in the properties of those listed must be reported to the Treasury Department's Office of Foreign Assets Control.

The U.S. imposed sanctions on Thursday against a network that smuggles Iranian oil disguised as Iraqi oil and on a Hezbollah-controlled financial institution, the Treasury Department said.