Headquarters, USAISC
AS258 (HEADQU-3) announces at least two prefixes:
139.241.4.0/24
United States Department of Defense (DoD)
about a second ago
NET-139-241-0-0-1
139.241.0.0-139.241.255.255
139.242.5.0/24
NET-139-242-0-0-1
139.242.0.0-139.242.255.255
0