Exhibit 31.1

CERTIFICATION

I, Dhrupad Trivedi, certify that:

1.I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of A10 Networks, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.[Intentionally omitted.]

4.[Intentionally omitted.]

5.[Intentionally omitted.]    

Date:	March 7, 2024	By: /s/ Dhrupad Trivedi
		Dhrupad Trivedi
		President and Chief Executive Officer
		(Principal Executive Officer)