Segment Information (Tables)

3 Months Ended

Apr. 30, 2017

Segment Reporting [Abstract]

Schedule of Revenue by Geographic Area

The following table sets forth revenue by geographic area based on the billing address of our customers (in thousands):

	Three Months Ended   April 30,
	2016		2017
United States	$	111,227	$	146,494
Rest of the world	28,720		36,137
Total revenue	$	139,947	$	182,631

Schedule of Long-Lived Assets by Geographic Area

Long-lived assets by geographic area are summarized as follows (in thousands):

	As of January 31, 2017		As of April 30, 2017
United States	$	78,692	$	79,491
Rest of the world	3,003		2,802
Total long-lived assets	$	81,695	$	82,293