173.37.0.0/20

ip:	173.37.0.0 
loc:	United States, San Jose (California)  
isp:	AS109 CISCO SYSTEMS, INC. » CISCO SYSTEMS, INC. » Cisco Systems, Inc. 639.148 ms
route:	173.37.0.0/20, CISCO-GEN-8 - CISCO SYSTEMS, INC., US (Richardson) ... 
reg:	173.36.0.0/14, US, ARIN, 2008-08-15
asn:	AS109 - CISCO-EU-109 Cisco Systems Global ASN - ARIN Assigned, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
addr:	  251 LITTLE FALLS DRIVE WILMINGTON DE 19808 US

see also:
   173.36.0.0/14    AS109    CISCO-GEN-8 CISCO SYSTEMS, INC., US