108.146.0.0/22

ip:	108.146.0.0 
loc:	United States, Wausau (Wisconsin)  
isp:	AS20057 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Mobility LLC 1077.78 ms
route:	108.146.0.0/22, ATT-MOBILITY-LLC - AT&T Enterprises, LLC, US (New York) ... 
reg:	108.144.0.0/13, US, ARIN, 2010-06-21
asn:	AS20057 - ATT-MOBILITY-LLC-AS20057 AT&T Wireless Service, US
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
addr:	  208 S. Akard St. Dallas TX 75202 US
online:	  299 » latency: 288 ms (290ms) 

see also:
   108.144.0.0/14   AS7018   ATT-MOBILITY-LLC AT&T Enterprises, LLC, US
   108.146.0.0/16   AS20057  ATT-MOBILITY-LLC AT&T Enterprises, LLC, US