31.186.232.0/22

ip:	31.186.232.0 
loc:	United Kingdom, City of London (England)  
isp:	AS15570 PACKETFABRIC (UK) LTD » Unitas Global Ltd » Inap LON Sitespect 140.19 ms
route:	31.186.232.0/22, UK-UNITAS-20110324 - PACKETFABRIC (UK) LTD, GB (London) ... 
reg:	31.186.232.0/21, GB, RIPE, 2011-03-24
asn:	AS15570 - INAP-LON PACKETFABRIC (UK) LTD, GB
addr:	  910 W Van Buren St Ste 605 Chicago IL 60607 UNITED STATES
online:	  173 » latency: 38 ms (39ms) 

see also:
   31.186.224.0/19  AS15570  IANA-BLK The whole IPv4 address space, EU