23.200.64.0/24

ip:	23.200.64.0 lo0.r01.border.labmap01.sdn.netarch.akamai.com
loc:	United States, Seattle (Washington)  
isp:	AS20940 Akamai International B.V. » Akamai International B.V. » Akamai Technologies, Inc. 447.706 ms
route:	23.200.64.0/24, AKAMAI - Akamai Technologies, Inc., US (Belfort) ... 
reg:	23.192.0.0/11, US, ARIN, 2013-07-12
asn:	AS20940 - AKAMAI-ASN1 Akamai International B.V., NL
addr:	  145 Broadway Cambridge MA 2142 US
online:	  64 » latency: 176 ms (176ms) 

see also:
   23.192.0.0/11    AS20940  AKAMAI Akamai Technologies, Inc., US