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Segments
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Segments
Segments

The Company conducts business globally and is managed, operated and organized by major functional departments that operate on a consolidated basis. Each major functional leader reports directly to the Company's chief executive officer, who is the chief operating decision maker (“CODM”). The Company’s CODM views the business, allocates resources and assesses the performance of the Company primarily based on consolidated financial information for the entire business, accompanied by disaggregated information about net revenues by product and service and geographic region as presented below. As a result, the Company operates in one reportable segment.

The following table presents net revenues by product and service (in millions):
 
Years Ended December 31,
 
2016
 
2015
 
2014
Routing
$
2,352.9

 
$
2,359.2

 
$
2,223.9

Switching
858.0

 
768.3

 
721.2

Security
318.0

 
435.6

 
463.6

Total product
3,528.9

 
3,563.1

 
3,408.7

 
 
 
 
 
 
Total service
1,461.2

 
1,294.7

 
1,218.4

Total
$
4,990.1

 
$
4,857.8

 
$
4,627.1


The Company attributes revenues to geographic region based on the customer’s shipping address. The following table presents net revenues by geographic region (in millions):
 
Years Ended December 31,
 
2016
 
2015
 
2014
Americas:
 
 
 
 
 
United States
$
2,737.0

 
$
2,568.6

 
$
2,410.6

Other
231.8

 
223.6

 
219.7

Total Americas
2,968.8

 
2,792.2

 
2,630.3

Europe, Middle East, and Africa
1,238.1

 
1,320.3

 
1,263.3

Asia Pacific
783.2

 
745.3

 
733.5

Total
$
4,990.1

 
$
4,857.8

 
$
4,627.1



During the years ended December 31, 2016, 2015, and 2014, no customer accounted for greater than 10% of the Company's net revenues.

The following table presents geographic information for property and equipment, net and purchased intangible assets, net (in millions):
 
As of December 31,
 
2016
 
2015
United States
$
1,046.6

 
$
925.5

International
147.4

 
129.4

Property and equipment, net and purchased intangible assets, net
$
1,194.0

 
$
1,054.9



The Company tracks assets by physical location. The majority of the Company’s assets, excluding cash and cash equivalents and investments, as of December 31, 2016 and December 31, 2015, were attributable to U.S. operations.