166.218.0.0/16

ip:	166.218.0.0 mobile-166-218-0-0.mycingular.net
loc:	United States, Atlanta (Georgia)  
isp:	AS20057 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 135.798 ms
route:	166.218.0.0/16, AEL-360 - AT&T Enterprises, LLC, US (Atlanta) ... 
reg:	166.216.0.0/14, US, ARIN, 2025-04-01
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:	  170 » latency: 304 ms (371ms) 

see also:
   166.218.0.0/15   AS20057  AEL-360 AT&T Enterprises, LLC, US