166.131.231.0

ip:	166.131.231.0 mobile-166-131-231-0.mycingular.net
loc:	United States, New York (New York)  
isp:	AS20057 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 177.727 ms
route:	166.131.231.0/24, AEL-360 - AT&T Enterprises, LLC, US (New York) ... 
reg:	166.128.0.0/13, 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:	  20 » latency: 199 ms (199ms) 

see also:
   166.128.0.0/14   AS20057  AEL-360 AT&T Enterprises, LLC, US
   166.131.0.0/16   AS20057  NETBLK-CDPD-B Wireless Data Service Provider Corporation, US