Yes. Some /20 and /24 subnets in Spreadsheet. Not that it's great but it's worked for ~18+ years. On Mon, Sep 15, 2025 at 2:31 PM Bryan Fields via NANOG < nanog@lists.nanog.org> 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 :-)
-- Bryan Fields
727-409-1194 - Voice http://bryanfields.net
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