151.107.0.0/16

ip:	151.107.0.0 
loc:	United States, Washington (District of Columbia)  
isp:	AS4473 AT&T Enterprises, LLC » AT&T Enterprises, LLC » U.S. Department of Veterans Affairs 333.93 ms
route:	151.107.0.0/16, DVA - U.S. Department of Veterans Affairs, US (Washington D.C. (Northwest Washington)) ... 
reg:	151.107.0.0/16, US, ARIN, 1991-05-30
addr:	  see http://www.iana.org.
online:	  53 » latency: 154 ms (154ms) 

see also:
   151.107.0.0/20   AS4473   NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK IPv4 address block not managed by the RIPE NCC, US