23.49.240.0/22

ip:	23.49.240.0 a23-49-240-0.deploy.static.akamaitechnologies.com
loc:	Japan, Tokyo (Tokyo)  
isp:	AS16625 Akamai Technologies, Inc. » Akamai International B.V. » Akamai Technologies, Inc. 313.941 ms
route:	23.49.240.0/22, AKAMAI - Akamai Technologies, Inc., US (Tokyo) ... 
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:	  728 » latency: 271 ms (272ms) 

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