131.18.192.0/19 covers 131.18.192.0 to 131.18.223.255, 8,192 IPv4 addresses. It is announced by AS749 (United States Department of Defense). Every sampled address geolocates to United States, with 100% in Montgomery. It is registered to a government network. None of the sampled addresses are flagged as VPN, proxy or Tor.