1. Herndon, VA is not CIA HQ. That is located at Langley, VA. (Not Langley AFB, 200 miles away)
2. Herndon VA is the central hub for many, many ISP's. Since your ISP has registered that IP block, that may be where is shows the 'location'.
or...
3. All your traffic is currently flowing through CIA HQ, and they are reading this right now.