170.233.12.0/22

ip:	170.233.12.0 corp-12-000.fastnet.net.br
loc:	Brazil, Santa Rita do Sapucaí (Minas Gerais)  
isp:	AS52531 G6 Internet » G6 Internet » G6 Internet 131.153 ms
route:	170.233.12.0/22, G6 Internet - G6 Internet, BR (Itajubá) ... 
reg:	170.233.12.0/22, BR, LACNIC, 2016-07-05
addr:	  
online:	  131 » latency: 238 ms (239ms) 

see also:
   170.233.12.0/24  AS52531  G6 Internet G6 Internet, BR
   170.233.13.0/24  AS52531  G6 Internet G6 Internet, BR
   170.233.14.0/23  AS52531  G6 Internet G6 Internet, BR
   170.233.14.0/24  AS52531  G6 Internet G6 Internet, BR
   170.233.15.0/24  AS52531  G6 Internet G6 Internet, BR