Starhub ONT is already direct.
Hence you can use any router to plug to ONT Port 1.
Do take note to do factory reset for used router.
As most router do retained previous IP.
This is to ensure the IP assigned to you is according to your plan.
I am not starhub staff.
Hi @hweemiin, can you PM me your subscriber's name, NRIC/FIN, email address and mobile number? I'll get the technical support team to assist. - Sofia