107.80.136.0/24

ip:	107.80.136.0 mobile-107-80-136-0.mycingular.net
loc:	United States, Dallas (Texas)  
isp:	AS20057 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 711.603 ms
route:	107.80.136.0/24, ATT-MOBILITY-LLC - AT&T Enterprises, LLC, US (Dallas) ... 
reg:	107.64.0.0/10, US, ARIN, 2011-02-04
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

see also:
   107.64.0.0/10    AS7018   ATT-MOBILITY-LLC AT&T Enterprises, LLC, US
   107.80.0.0/16    AS20057  ATT-MOBILITY-LLC AT&T Enterprises, LLC, US
   107.80.128.0/17  AS20057  ATT-MOBILITY-LLC AT&T Enterprises, LLC, US