154.64.136.0/24

ip:	154.64.136.0 
loc:	United States, Edison (New Jersey)  
isp:	AS215595 SparkTech LTD » Cogent Communications » SparkTech LTD 121.785 ms
route:	154.64.136.0/24, NET4-9A40800013 - SparkTech LTD, GB (London) ... 
reg:	154.64.0.0/16, US, ARIN, 1992-02-05
asn:	AS215595 - SPARKTECH SparkTech LTD, US
addr:	  2450 N Street NW Washington DC 20037 US
online:	  254 » latency: 36 ms (36ms) 

see also:
   154.64.0.0/16    AS174    COGENT-154-64-16 PSINet, Inc., US
   154.64.136.0/22  AS59538  COGENT-154-64-16 PSINet, Inc., US