166.255.128.0/17

ip:	166.255.128.0 
loc:	United States, Seattle (Washington)  
isp:	AS6167 Verizon Business » Verizon Business » Verizon Business 2248.158 ms
route:	166.255.128.0/17, MCICS - Verizon Business, US (Chicago (Near South Side)) ... 
reg:	166.240.0.0/12, US, ARIN, 2025-03-25
asn:	AS6167 - CELLCO-PART Verizon Business, US
	  AS22394 - CELLCO Verizon Business, US
addr:	  PO Box 1381 Doylestown PA 18901 US
online:	  2.571 » latency: 304 ms (330ms) 

see also:
   166.248.0.0/13   AS22394  NETBLK-CDPD-B Wireless Data Service Provider Corporation, US