Show addressing info (e.g. first/last IP) under prefix view #5495

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opened 2025-12-29 19:28:42 +01:00 by adam · 3 comments
Owner

Originally created by @swoga on GitHub (Oct 8, 2021).

NetBox version

v3.0.6

Feature type

New functionality

Proposed functionality

In the details of a prefix the last IP should be displayed.

I am unsure if a prefix that is not a pool should display the last usable IP address or the broadcast address.
I lean towards showing the broadcast address in all cases for consistency, but would not call the field the broadcast address, as this is not meaningful in all contexts (e.g., a pool).

image
(The position in the table was chosen arbitrarily.)

Use case

Sometimes you need to assign the last IP of a prefix (e.g. for a gateway) and some subnet sizes (especially for IPv6) are not so easy to calculate in your head.

Database changes

none

External dependencies

none

Originally created by @swoga on GitHub (Oct 8, 2021). ### NetBox version v3.0.6 ### Feature type New functionality ### Proposed functionality In the details of a prefix the last IP should be displayed. I am unsure if a prefix that is not a pool should display the last usable IP address or the broadcast address. I lean towards showing the broadcast address in all cases for consistency, but would not call the field the broadcast address, as this is not meaningful in all contexts (e.g., a pool). ![image](https://user-images.githubusercontent.com/3697291/136516504-d5ba67fd-3996-401f-80aa-9efa7027ef72.png) _(The position in the table was chosen arbitrarily.)_ ### Use case Sometimes you need to assign the last IP of a prefix (e.g. for a gateway) and some subnet sizes (especially for IPv6) are not so easy to calculate in your head. ### Database changes none ### External dependencies none
adam added the type: feature label 2025-12-29 19:28:42 +01:00
adam closed this issue 2025-12-29 19:28:42 +01:00
Author
Owner

@jeremystretch commented on GitHub (Oct 8, 2021):

We could maybe add a separate "addressing info" panel listing the first and last usable IPs, size, etc.

@jeremystretch commented on GitHub (Oct 8, 2021): We could maybe add a separate "addressing info" panel listing the first and last usable IPs, size, etc.
Author
Owner

@github-actions[bot] commented on GitHub (Dec 8, 2021):

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. NetBox is governed by a small group of core maintainers which means not all opened issues may receive direct feedback. Please see our contributing guide.

@github-actions[bot] commented on GitHub (Dec 8, 2021): This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. NetBox is governed by a small group of core maintainers which means not all opened issues may receive direct feedback. Please see our [contributing guide](https://github.com/netbox-community/netbox/blob/develop/CONTRIBUTING.md).
Author
Owner

@jeremystretch commented on GitHub (Dec 29, 2021):

I think this has been mostly addressed under #7600, which now shows the first available IP in a prefix (if any).

@jeremystretch commented on GitHub (Dec 29, 2021): I think this has been mostly addressed under #7600, which now shows the first available IP in a prefix (if any).
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Reference: starred/netbox#5495