170.48.0.0/16

ip:	170.48.0.0 
loc:	Canada, Toronto (Ontario)  
isp:	AS11406 CIGNA » CIGNA » CIGNA 1.209 ms
route:	170.48.0.0/16, CIGNA-7 - CIGNA, CA (Montreal) ... 
reg:	170.48.0.0/16, US, ARIN, 1994-02-10
addr:	  300 Bellevue Drive Wilmington DE 19809 US
online:	  1.293 » latency: 122 ms (151ms) 

see also:
   170.48.0.0/18    AS13348  CIGNA CIGNA, US
   170.48.0.0/18    AS13348  CIGNA CIGNA, US
   170.48.0.0/20    AS11406  CIGNA CIGNA, US
   170.48.0.0/24    AS11406  CIGNA CIGNA, US
   170.48.1.0/24    AS11406  CIGNA CIGNA, US
   170.48.2.0/24    AS11406  CIGNA CIGNA, US
   170.48.7.0/24    AS11406  CIGNA CIGNA, US
   170.48.8.0/24    AS11406  CIGNA CIGNA, US
   170.48.10.0/24   AS11406  CIGNA CIGNA, US
   170.48.11.0/24   AS11406  CIGNA CIGNA, US
   170.48.12.0/24   AS11406  CIGNA CIGNA, US
   170.48.13.0/24   AS11406  CIGNA CIGNA, US
   170.48.14.0/24   AS11406  CIGNA CIGNA, US
   170.48.15.0/24   AS11406  CIGNA CIGNA, US
   170.48.16.0/20   AS13348  CIGNA CIGNA, US
   170.48.16.0/24   AS13348  CIGNA CIGNA, US
   170.48.17.0/24   AS13348  CIGNA CIGNA, US
   170.48.18.0/24   AS13348  CIGNA CIGNA, US
   170.48.19.0/24   AS13348  CIGNA CIGNA, US