A new audit-report from the Treasury Inspector General for Tax Administration (TIGTA) shows that the IRS sent at least 343 potentially fraudulent tax returns in 2011 to the same, single address in Shanghai, China, for a total of $156,533 in tax refunds.

The same report also shows that 655 potentially fraudulent tax refunds totaling $220,489 were sent to the same address in Kaunas, Lithuania. Other potentially fraudulent refunds, 580 of them, were sent to the same address in Orlando, Fla.; 355 to the same address in Lakewood, Colo; and another 291 to another single address in Orlando, Fla.

In total, those potentially fraudulent refunds totaled $2,715,391.