217.23.136.0/23

ip:	217.23.136.0 
loc:	Russia, Moscow (Moscow)  
isp:	AS197695 Domain names registrar REG.RU, Ltd » "Domain names registrar REG.RU", Ltd » SDC network 1.177 ms
route:	217.23.136.0/23, RU-REGRU-20001005 - "Domain names registrar REG.RU", Ltd, RU (Moscow) ... 
reg:	217.23.136.0/23, RU, RIPE, 2000-10-05
addr:	  LENINGRADSKY PR-KT 72 building 3 125315 Moscow RUSSIAN FEDERATION
online:	  46 » latency: 46 ms (46ms) 

see also:
   217.23.136.0/24  AS197695  RU-REGRU-20001005 "Domain names registrar REG.RU", Ltd, RU
   217.23.137.0/24  AS197695  RU-REGRU-20001005 "Domain names registrar REG.RU", Ltd, RU