23.53.47.0/24

ip:	23.53.47.0 lo0.r01.border01.mel01.fab.netarch.akamai.com
loc:	Australia, Melbourne (Victoria)  
isp:	AS20940 Akamai International B.V. » Akamai International B.V. » Akamai International, BV 308.463 ms
route:	23.53.47.0/24, AKAMAI - Akamai Technologies, Inc., US (Springfield) ... 
reg:	23.32.0.0/11, US, ARIN, 2011-05-16
asn:	AS20940 - AKAMAI-ASN1 Akamai International B.V., NL
addr:	  145 Broadway Cambridge MA 2142 US
online:	  122 » latency: 307 ms (307ms) 

see also:
   23.32.0.0/11     AS20940  AKAMAI Akamai Technologies, Inc., US