143.156.224.0/19

ip:	143.156.224.0 
loc:	United States, Montgomery (Alabama)  
isp:	AS56 United States Department of Defense (DoD) » United States Department of Defense (DoD) » Air Force Systems Networking 159.322 ms
route:	143.156.224.0/19, AFIN-B - Air Force Systems Networking, US (London) ... 
reg:	143.156.0.0/15, US, ARIN, 1990-09-21
asn:	AS56 - DNIC-AS-00056 United States Department of Defense (DoD), US
addr:	  501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX MAXWELL AFB AL 36114 US

see also:
   143.156.0.0/15   AS721    AFIN-B Air Force Systems Networking, US