Search free prefix #380

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opened 2025-12-29 16:21:29 +01:00 by adam · 2 comments
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Originally created by @thoms27 on GitHub (Aug 19, 2016).

Hi,

I would kwnow if it was possible to add a section to find a free prefix in a contener ? For exemple if I want to know what is the first prefix /30 free ?

Many thanks and congratulations for this tool !

Thomas V.

Originally created by @thoms27 on GitHub (Aug 19, 2016). Hi, I would kwnow if it was possible to add a section to find a free prefix in a contener ? For exemple if I want to know what is the first prefix /30 free ? Many thanks and congratulations for this tool ! Thomas V.
adam closed this issue 2025-12-29 16:21:29 +01:00
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Owner

@thoms27 commented on GitHub (Aug 19, 2016):

Hi,

I want to clarify my question. In a contener or in a prefix I would to know how much free prefix I have

Example:
192.168.0.0/16 is define as Aggregate or Prefix
I would like to see

  • 2 free /17
  • 4 free /18
  • 8 free /19
    etc
  • 32768 /30

If I reserve a /30 and the result will be:

  • 1 free /17
  • 3 free /18
    etc
  • 32767/30

In a ISP environnement it will be appreciate to manage public IPv4.

Thanks in advance.

Thomas V.

@thoms27 commented on GitHub (Aug 19, 2016): Hi, I want to clarify my question. In a contener or in a prefix I would to know how much free prefix I have Example: 192.168.0.0/16 is define as Aggregate or Prefix I would like to see - 2 free /17 - 4 free /18 - 8 free /19 etc - 32768 /30 If I reserve a /30 and the result will be: - 1 free /17 - 3 free /18 etc - 32767/30 In a ISP environnement it will be appreciate to manage public IPv4. Thanks in advance. Thomas V.
Author
Owner

@thoms27 commented on GitHub (Aug 19, 2016):

Again me !

I think the vue "Child Prefixes" match with what I want to begin.

Thanks

Thomas V.

@thoms27 commented on GitHub (Aug 19, 2016): Again me ! I think the vue "Child Prefixes" match with what I want to begin. Thanks Thomas V.
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Reference: starred/netbox#380