How to share static-ip with family members

As per the exchange guidelines, I have updated my static-ip in api apps.

But my spouse and my mother-in-law are having accounts in upstox and they need to update the static-ip

While trying to update the same static-ip in their api apps, it’s showing error "Static-ip is already assigned.

How can the same static-ip be assigned to multiple accounts of same family members.