87.121.64.0/21

ip:	87.121.64.0 
loc:	Bulgaria, Sofia (Sofia-Capital)  
isp:	AS34224 Neterra Ltd. » Neterra Ltd »  132.42 ms
route:	87.121.64.0/21, IANA-BLK - The whole IPv4 address space, BG (Sofia (g.k. Mladost 1A)) ... 
reg:	87.121.64.0/23, BG, RIPE, 2005-07-12
addr:	  see http://www.iana.org
online:	  803 » latency: 60 ms (52ms) 

see also:
   87.121.64.0/24   AS34224  NETERRA Internal assignment, BG
   87.121.65.0/24   AS29030  NETERRA-TELECABLENET2-NET Telekabel, BG
   87.121.66.0/23   AS210218  IT-OPENFIBER-20050712 Open Fiber S.P.A., IT
   87.121.68.0/24   AS210218  IT-OPENFIBER-20050712 Open Fiber S.P.A., IT
   87.121.69.0/24   AS213035  InterLIR-Marketplace InterLIR-Marketplace, NL
   87.121.70.0/23   AS20911  Fuse_Hostingweb-NET Fuse Hosting Web, BG
   87.121.70.0/24   AS20911  NET-SURF_NET-GPON Net-Surf.net Ltd., BG
   87.121.71.0/24   AS20911  NET-SURF_NET-GPON Net-Surf.net Ltd., BG