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A repository of PowerShell Scripts to automate a variety of IT related maintenance tasks.

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Get-CidrIPRange.ps1

Description

@GitHub Copilot - Welcome @BanterBoy, I’m your Copilot and I’m here to help you get things done faster. I can identify issues, explain and even improve code.

You can ask generic questions, but what I’m really good at is helping you with your code. For example:

Generate unit tests for my code Explain the selected code Propose a fix for the bugs in my code If you want to learn more about my capabilities and limitations, check out the Copilot documentation.

I’m powered by AI, so surprises and mistakes are possible. Make sure to verify any generated code or suggestions, and share feedback so that we can learn and improve.

@BanterBoy: - Explain what the script does and why it is useful.

@GitHub Copilot -

Script

<#

    .SYNOPSIS
    Short function to display the details for a CIDR range

    .DESCRIPTION
    This function was created to output the details of a CIDR range using the API from hackertarget.com

    .EXAMPLE
    Get-CidrIPRange -cidrAddress 192.168.1.1 -prefix 24

    Address       = 192.168.1.1
    Network       = 192.168.1.0 / 24
    Netmask       = 255.255.255.0
    Broadcast     = 192.168.1.255
    Wildcard Mask = 0.0.0.255
    Hosts Bits    = 8
    Max. Hosts    = 254   (2^8 - 2)
    Host Range    = { 192.168.1.1 - 192.168.1.254 }

    .INPUTS
    cidrAddress [string]
    prefix [int]

    .OUTPUTS
    Output is simple and of content type text

    .NOTES
    Author:     Luke Leigh
    Website:    https://admintoolkit.lukeleigh.com/
    LinkedIn:   https://www.linkedin.com/in/lukeleigh/
    GitHub:     https://github.com/BanterBoy/
    GitHubGist: https://gist.github.com/BanterBoy

    .LINK
    https://github.com/BanterBoy/adminToolkit/wiki

#>

[cmdletbinding(DefaultParameterSetName = 'default')]
param([Parameter(Mandatory = $True,
        HelpMessage = "Please enter a network address e.g. 10.0.0.0",
        ValueFromPipeline = $false,
        ValueFromPipelineByPropertyName = $True)]
    [Alias('CIDR')]
    [string]$cidrAddress,
    [Parameter(Mandatory = $True,
        HelpMessage = "Please enter a prefix e.g. 29",
        ValueFromPipeline = $false,
        ValueFromPipelineByPropertyName = $True)]
    [Alias('pre')]
    [int]$prefix
)

begin {

}

process {
    $cidrRange = $cidrAddress + '/' + $prefix
    Invoke-RestMethod -Method Default -Uri "https://api.hackertarget.com/subnetcalc/?q=$CidrRange"
}

end {

}

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