On 2025-09-15 13:30, Bryan Fields via NANOG wrote:
Has anyone found a solution to represent IPv4 addresses in a spreadsheet, preferably Google Sheets? I'm not here to debate the use of spreadsheets for tracking IP addresses, just find something better than storing v4 dotted decimal as text in a spreadsheet. We don't need v6 at this time; we're using a spreadsheet for tracking addressing, v6 is beyond us.
At minimum we need to store it as a 32 bit INT, and display as dotted decimal. If there's some way to make it aware of subnet slash notation, so much the better. I'm a bit at a loss as to why there's no IPv4 number format with how often spreadsheets are the source of truth in some rather large service providers.
Again, not looking for non-spreadsheet solutions to this, and ideally a web interface spreadsheet would be best for sharing. We don't need a real database if it's on the web :-)
If you're not allergic to MS Excel, you could use Python for Excel to convert back and forth with the excellent ipaddress module. https://www.google.com/?q=google%20sheets%20ip%20functions turned up an interesting add-on, have you looked into IP Functions at all? Could also just roll your own inet_aton() in your columns for the dotted quads using LEFT(), MID(), RIGHT(), and FIND(). Or just spin up Netbox and load your prefixes into that and be done. -Brian