166.197.0.0/19

ip:	166.197.0.0 mobile-166-197-000-000.mycingular.net
loc:	United States, New York (New York)  
isp:	AS7287 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 2019.73 ms
route:	166.197.0.0/19, AEL-360 - AT&T Enterprises, LLC, US (Dallas (Dallas Downtown Historic District)) ... 
reg:	166.192.0.0/12, US, ARIN, 2025-04-01
asn:	AS7287 - PBI-NET-BLK2 AT&T Enterprises LLC, US
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
addr:	  208 S. Akard St. Dallas TX 75202 US
online:	  548 » latency: 166 ms (166ms) 

see also:
   166.192.0.0/13   AS7018   AEL-360 AT&T Enterprises, LLC, US