210.30.58.0/24

ip:	210.30.58.0 
loc:	China, Haidian (Beijing)  
isp:	AS4538 China Education and Research Network Center » CERNET »  137.742 ms
route:	210.30.58.0/24, CERNET-CN - China Education and Research Network, CN (Haidian (Haidian Qu)) ... 
reg:	210.28.0.0/14, CN, APNIC, 1998-08-31
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:	  55 » latency: 284 ms (284ms) 

see also:
   210.28.0.0/14    AS4538   CERNET-CN China Education and Research Network, CN
   210.30.0.0/16    AS24369  CERNET-CN China Education and Research Network, CN
   210.30.0.0/16    AS4538   CERNET-CN China Education and Research Network, CN
   210.30.48.0/20   AS4538   CERNET-CN China Education and Research Network, CN