The following table summarizes the changes in the carrying amount of goodwill during the periods presented (in thousands):


	April 30, 2025		January 31, 2025
Balance, beginning of year	$	69,679	$	69,679
Increase in goodwill related to business combinations	119,962		—
Balance, end of period	$	189,641	$	69,679

The gross carrying amount and accumulated amortization of the Company’s intangible assets are as follows (in thousands):


	April 30, 2025
	Gross Carrying Value		Accumulated Amortization		Net Book Value
Developed technology	$	65,200	$	(42,944)	$	22,256
Customer relationships	15,200		(15,200)		—
IP addresses	24,445		(782)		23,663
Total	$	104,845	$	(58,926)	$	45,919


	January 31, 2025
	Gross Carrying Value		Accumulated Amortization		Net Book Value
Developed technology	$	41,200	$	(40,407)	$	793
Customer relationships	15,200		(15,200)		—
IP addresses	23,986		(182)		23,804
Total	$	80,386	$	(55,789)	$	24,597

Intangible assets are primarily acquired through business combinations. See Note 4, Business Combinations, for further details. During the year ended January 31, 2025, the Company purchased $24.0 million of intangible assets for IP addresses and the costs are amortized on a straight-line basis over an estimated useful life of ten years.

Intangible assets are amortized on a straight-line basis. Amortization expense of intangible assets was $3.1 million and $2.7 million for the three months ended April 30, 2025 and 2024, respectively. Amortization expense for developed technology is included as cost of subscription revenue and research and development expense in the Company’s interim

condensed consolidated statements of operations. Amortization expense for customer relationships is included as sales and marketing expense in the Company’s interim condensed consolidated statements of operations. Amortization expense for IP addresses is included as cost of subscription revenue in the Company’s interim condensed consolidated statements of operations.

As of April 30, 2025, future amortization expense related to the intangible assets is as follows (in thousands):


Fiscal Period:
Remainder of 2026	$	11,417
2027	14,558
2028	3,003
2029	2,444
2030	2,444
Thereafter	12,053
Total	$	45,919