"Invalid IP range" message when adding IP Pools to NatRouted Organization Networks

When trying to add an IP Pool for a natRouted Organization Network, the message "invalid ip range" is presented for subnet masks other than /24 bits.

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To be able to submit your IP range:

1. Add a name for your Organization Network

2. Add a Description (optional field)

3. Add your Network Type as 'natRouted'

4. Add your Gateway IP Address

5. Add your Subnet Mask

6. Add your Starting IP and Ending IP using the formula: (number of hosts in your subnet mask) - 3

7. Click in New Range to insert your range to IP Pools table

8. Submit