139.71.0.0/16

ip:	139.71.0.0 
loc:	United States, Phoenix (Arizona)  
isp:	AS6307 American Express Company » American Express Company » American Express Company 144.249 ms
route:	139.71.0.0/16, AMERIC - American Express Company, US (Phoenix (Crosspoint At Beardsley)) ... 
reg:	139.71.0.0/16, US, ARIN, 1990-02-07
addr:	  19640 N. 31st Ave. Phoenix AZ 85027 US
online:	  1.345 » latency: 147 ms (184ms) 

see also:
   139.71.0.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.1.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.2.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.3.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.4.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.5.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.6.0/23    AS6307   AMEX-FTL American Express Company, US
   139.71.8.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.9.0/24    AS6307   AMEX-FTL American Express Company, US
   139.71.10.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.11.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.16.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.17.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.18.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.19.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.20.0/24   AS6307   AMEX-FTL American Express Company, US
   139.71.21.0/24   AS6307   AMEX-FTL American Express Company, US