Segment Information (Tables)

9 Months Ended

Oct. 31, 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   October 31,				Nine Months Ended   October 31,
	2016		2017		2016		2017
United States	$	152,134	$	192,977	$	385,464	$	504,937
Rest of the world	44,822		84,697		114,653		179,829
Total revenue	$	196,956	$	277,674	$	500,117	$	684,766

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 October 31, 2017
United States	$	78,692	$	80,387
Rest of the world	3,003		3,877
Total long-lived assets	$	81,695	$	84,264