166.197.9.0/24

ip:	166.197.9.0 mobile-166-197-009-000.mycingular.net
loc:	United States, New York (New York)  
isp:	AS7287 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 653.536 ms
route:	166.197.9.0/24, AEL-360 - AT&T Enterprises, LLC, US (Secaucus) ... 
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:	  PO Box 1381 Doylestown PA 18901 US

see also:
   166.192.0.0/13   AS7018   NETBLK-CDPD-B Wireless Data Service Provider Corporation, US
   166.197.0.0/19   AS7287   AEL-360 AT&T Enterprises, LLC, US