210.25.0.0/18

ip:	210.25.0.0 
loc:	China, Haidian (Beijing)  
isp:	AS4538 China Education and Research Network Center » CERNET »  129.707 ms
route:	210.25.0.0/18, CERNET-CN-PI - China Education and Research Network, CN (Haidian (Haidian Qu)) ... 
reg:	210.25.0.0/16, CN, APNIC, 1998-08-31
asn:	AS9306 - CIETNET RongHua Road No.11 Beijing Economy Technology Development Area 100176, CN
	  AS4837  - CHINA169-Backbone CHINA UNICOM China169 Backbone, CN
	  AS4847  - CNIX-AP China Networks Inter-Exchange, CN
addr:	  Network Research Center Main Bldg Tsinghua Univ Beijing 100084 China
online:	  118 » latency: 284 ms (298ms) 

see also:
   210.25.0.0/16    AS4538   CERNET-CN-PI China Education and Research Network, CN