210.41.4.0/22

ip:	210.41.4.0 
loc:	China, Beijing (Beijing)  
isp:	AS4538 China Education and Research Network Center » UTIBET » Tsinghua University 1296.358 ms
route:	210.41.4.0/22, CERNET-CN - China Education and Research Network, CN (Beijing) ... 
reg:	210.40.0.0/13, CN, APNIC, 1997-03-12
asn:	AS4538 - ERX-CERNET-BKB China Education and Research Network Center, CN
	  AS4837  - CHINA169-Backbone CHINA UNICOM China169 Backbone, CN
addr:	  Network Research Center Main Bldg Tsinghua Univ Beijing 100084 China
online:	  5 » latency: 405 ms (405ms) 

see also:
   210.32.0.0/12    AS4538   APNIC-AP Asia Pacific Network Information Centre, AU