23.64.4.0/22

ip:	23.64.4.0 a23-64-4-0.deploy.static.akamaitechnologies.com
loc:	United States, Irving (Texas)  
isp:	AS16625 Akamai Technologies, Inc. » Akamai Technologies, Inc. » Akamai Technologies, Inc. 135.752 ms
route:	23.64.4.0/22, AKAMAI - Akamai Technologies, Inc., US (Irving) ... 
reg:	23.64.0.0/14, US, ARIN, 2011-05-16
asn:	AS16625 - AKAMAI-AS Akamai Technologies Inc., US
addr:	  145 Broadway Cambridge MA 2142 US
online:	  980 » latency: 137 ms (137ms) 

see also:
   23.64.0.0/14     AS20940  AKAMAI Akamai Technologies, Inc., US