37.209.0.0/17

ip:	37.209.0.0 ip-037-209-000-000.um11.pools.vodafone-ip.de
loc:	Germany, Stuttgart (Baden-Wurttemberg)  
isp:	AS3209 Vodafone GmbH » Vodafone » Vodafone BW GmbH 131.144 ms
route:	37.209.0.0/17, KABELBW-15 - Vodafone BW GmbH, DE (Stuttgart) ... 
reg:	37.209.0.0/17, DE, RIPE, 2012-03-29
asn:	AS3209 - VODANET Vodafone GmbH, DE
addr:	  Ferdinand-Braun-Platz 1 40549 Duesseldorf GERMANY
online:	  7.512 » latency: 48 ms (47ms) 

see also:
   37.209.0.0/18    AS3209   KABELBW-15 Vodafone BW GmbH, DE
   37.209.64.0/18   AS3209   KABELBW-15 Vodafone BW GmbH, DE