23.64.16.0/20

ip:	23.64.16.0 a23-64-16-0.deploy.static.akamaitechnologies.com
loc:	United Kingdom, London (England)  
isp:	AS16625 Akamai Technologies, Inc. » Akamai Technologies » Akamai International, BV 131.503 ms
route:	23.64.16.0/20, AIBV - Akamai International, BV, NL (London) ... 
reg:	23.64.0.0/14, US, ARIN, 2011-05-16
asn:	AS16625 - AKAMAI-AS Akamai Technologies Inc., US
addr:	  Prins Bernhardplein 200 Amsterdam 1097 JB NL
online:	  3.906 » latency: 36 ms (36ms) 

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