5.166.4.0/22

ip:	5.166.4.0 5x166x4x0.dynamic.yar.ertelecom.ru
loc:	Russia, Yaroslavl (Yaroslavl Oblast)  
isp:	AS51819 JSC ER-Telecom Holding » CJSC "ER-Telecom Holding" Yaroslavl' branch » JSC "ER-Telecom Holding" Yaroslavl' Branch 578.982 ms
route:	5.166.4.0/22, ERTH-YAR-PPPOE-12-NET - CJSC "ER-Telecom Holding" Yaroslavl' branch, RU (Yaroslavl) ... 
reg:	5.164.0.0/14, RU, RIPE, 2012-07-25
asn:	AS51819 - YAR-AS JSC ER-Telecom Holding, RU
addr:	  Moskovsky prospekt 8 Yaroslavl' Russian Federation
online:	  314 » latency: 62 ms (65ms) 

see also:
   5.166.0.0/19     AS51819  RU-RAID-20120725 JSC "ER-Telecom Holding", RU