137.243.0.0/16

ip:	137.243.0.0 
loc:	United States, Montgomery (Alabama)  
isp:	AS56 United States Department of Defense (DoD) » United States Department of Defense (DoD) » Air Force Systems Networking 630.825 ms
route:	137.243.0.0/16, USDDD - United States Department of Defense (DoD), US (Montgomery) ... 
reg:	137.243.0.0/16, US, ARIN, 1996-05-23
asn:	AS56 - DNIC-AS-00056 United States Department of Defense (DoD), US
	  AS27064 - DNIC-ASBLK-27032-27159 DoD Network Information Center, US
addr:	  501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX MAXWELL AFB AL 36114 US

see also:
   137.240.0.0/14   AS721    OCALC-1 Air Force Systems Networking, US
   137.243.255.0/24 AS56     ROME-NET Air Force Systems Networking, US