75.243.0.0/18

ip:	75.243.0.0 0.sub-75-243-0.myvzw.com
loc:	United States, St Louis (Missouri)  
isp:	AS6167 Verizon Business » Verizon Business » Verizon Business 661.293 ms
route:	75.243.0.0/18, WIRELESSDATANEWORK - Verizon Business, US (Chicago) ... 
reg:	75.192.0.0/10, US, ARIN, 2006-01-18
asn:	AS6167 - CELLCO-PART Verizon Business, US
	  AS22394 - CELLCO Verizon Business, US
addr:	  22001 Loudoun County Pkwy Ashburn VA 20147 US
online:	  1.859 » latency: 211 ms (264ms) 

see also:
   75.192.0.0/10    AS22394  WIRELESSDATANEWORK Verizon Business, US