166.185.128.0/17

ip:	166.185.128.0 mobile-166-185-128-000.mycingular.net
loc:	United States, New York (New York)  
isp:	AS20057 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 155.556 ms
route:	166.185.128.0/17, AEL-360 - AT&T Enterprises, LLC, US (Dallas (Dallas Downtown Historic District)) ... 
reg:	166.184.0.0/13, 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:	  5302 HARRY HINES BLVD Dallas TX 75235 US
online:	  63 » latency: 228 ms (235ms) 

see also:
   166.184.0.0/15   AS20057  AEL-360 AT&T Enterprises, LLC, US
   166.185.0.0/16   AS20057  NETBLK-CDPD-B Wireless Data Service Provider Corporation, US