65.255.0.0/19

ip:	65.255.0.0 localtest.me
loc:	United States, Chandler (Texas)  
isp:	AS25970 IAC Services LLC » IAC Services LLC » IAC Services LLC 125.641 ms
route:	65.255.0.0/19, ISL-43 - IAC Services LLC, US (Chandler) ... 
reg:	65.255.0.0/19, US, ARIN, 2004-01-08
asn:	AS25970 - IAC IAC Services LLC, US
	  AS7819  - GLOBAL-IP-NETWORKS Global IP Networks INC, US
addr:	  2302 Royal Dr E Chandler TX 75758 US
online:	  144 » latency: 107 ms (129ms) 

see also:
   65.255.0.0/20    AS25970  BLK-IAC1 IAC Services LLC, US
   65.255.16.0/20   AS25970  BLK-IAC1 IAC Services LLC, US