108.145.4.0/24

ip:	108.145.4.0 
loc:	United States, Ashburn (Virginia)  
isp:	AS7287 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Mobility LLC 2011.417 ms
route:	108.145.4.0/24, ATT-MOBILITY-LLC - AT&T Mobility LLC, US (Ashburn) ... 
reg:	108.144.0.0/13, US, ARIN, 2010-06-21
asn:	AS7287 - PBI-NET-BLK2 AT&T Enterprises, LLC, US
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
addr:	  7277 164th Ave NE ATTN:  IP Management Redmond WA 98052 US
online:	  7 » latency: 164 ms (164ms) 

see also:
   108.144.0.0/14   AS7018   ATT-MOBILITY-LLC AT&T Enterprises, LLC, US
   108.145.0.0/21   AS7287   ATT-MOBILITY-LLC AT&T Mobility LLC, US