23.64.0.0/14

ip:	23.64.0.0 a23-64-0-0.deploy.static.akamaitechnologies.com
loc:	United States, Cambridge (Massachusetts)  
isp:	AS20940 Akamai International B.V. » Akamai International B.V. » Akamai Technologies, Inc. 139.711 ms
route:	23.64.0.0/14, AKAMAI - Akamai Technologies, Inc., US (Cambridge (East Cambridge)) ... 
reg:	23.64.0.0/14, US, ARIN, 2011-05-16
asn:	AS20940 - AKAMAI-ASN1 Akamai International B.V., NL
addr:	  145 Broadway Cambridge MA 2142 US
online:	  226.693 » latency: 156 ms (216ms) 

see also:
   23.64.1.0/24     AS20940  AKAMAI Akamai Technologies, Inc., IN
   23.64.4.0/22     AS16625  AKAMAI Akamai Technologies, Inc., US
   23.64.12.0/24    AS20940  AKAMAI Akamai Technologies, Inc., PL
   23.64.13.0/24    AS35994  AKAMAI Akamai Technologies, Inc., US
   23.64.16.0/20    AS16625  AIBV Akamai International, BV, GB
   23.64.32.0/20    AS16625  AIBV Akamai International, BV, GB
   23.64.56.0/24    AS20940  AKAMAI Akamai Technologies, Inc., AR
   23.64.57.0/24    AS20940  AKAMAI Akamai Technologies, Inc., AR
   23.64.58.0/24    AS20940  AKAMAI Akamai Technologies, Inc., AR
   23.64.59.0/24    AS20940  AKAMAI Akamai Technologies, Inc., IN
   23.64.96.0/20    AS16625  AKAMAI Akamai Technologies, Inc., US
   23.64.112.0/24   AS20940  AKAMAI Akamai Technologies, Inc., US
   23.64.113.0/24   AS20940  AKAMAI Akamai Technologies, Inc., US
   23.64.114.0/24   AS20940  AKAMAI Akamai Technologies, Inc., US
   23.64.115.0/24   AS20940  AKAMAI Akamai Technologies, Inc., US
   23.64.121.0/24   AS20940  AKAMAI Akamai Technologies, Inc., MX
   23.64.122.0/24   AS20940  AKAMAI Akamai Technologies, Inc., SG
   23.64.123.0/24   AS20940  AKAMAI Akamai Technologies, Inc., US