Algorithm coded for .NET or PowerShell applications/scripts to manage a network subnet (sell/restore/resell subnets) from a supernet.
git clone https://github.com/sarumaj/subnet-seller
cd subnet-seller
Invoke-Command -FilePath .\install.ps1$mySub = New-Subnet '192.168.0.0' 16 6 26
Write-Host ($mySub | Out-String)
>>
>>
>>
>> RecursionLevel : 0
>> IPAddress : 192.168.0.0
>> MaskBits : 16
>> NetworkAddress : 192.168.0.0
>> BroadcastAddress : 192.168.255.255
>> SubnetMask : 255.255.0.0
>> Range : 192.168.0.0 ~ 192.168.255.255
>> Available : True
>> HostAddresses : 65534
>> MaskOffset : 6
>> MaskLimit : 26
>>
>>
>>
Write-Host ($mySub.list() | Out-String)
>>
>>
>>
>> Network : 192.168.0.0/16
>> Available : True
>> Range : 192.168.0.0 ~ 192.168.255.255
>> HostAddresses : 65534
>> Subnets : {@{Network=192.168.0.0/23; Available=True; Range=192.168.0.0 ~ 192.168.1.255; HostAddresses=510; Subnets=System.Object[]}, @{Network=192.168.2.0/23;
>> Available=True; Range=192.168.2.0 ~ 192.168.3.255; HostAddresses=510; Subnets=System.Object[]}...}
>>
>>
>>
$mySub.sell('192.168.2.128', 25, "sold-out on $(Get-Date)")
$mySub.sell('192.168.3.0', 25, "sold-out on $(Get-Date)")
$mySub.sell('192.168.3.128', 26, "sold-out on $(Get-Date)")
$mySub.repurchase('192.168.2.128', 25, "repurchased on $(Get-Date)")
$mySub.repurchase('192.168.3.128', 26, "repurchased on $(Get-Date)")
$mySub.print()
>>
>>
>>
>> 192.168.0.0/16(Available:False)
>> --------------192.168.0.0/23(Available:True)
>> ----------------192.168.0.0/24(Available:True)
>> ------------------192.168.0.0/25(Available:True)
>> --------------------192.168.0.0/26(Available:True)
>> --------------------192.168.0.64/26(Available:True)
>> ------------------192.168.0.128/25(Available:True)
>> --------------------192.168.0.128/26(Available:True)
>> --------------------192.168.0.192/26(Available:True)
>> ----------------192.168.1.0/24(Available:True)
>> ------------------192.168.1.0/25(Available:True)
>> --------------------192.168.1.0/26(Available:True)
>> --------------------192.168.1.64/26(Available:True)
>> ------------------192.168.1.128/25(Available:True)
>> --------------------192.168.1.128/26(Available:True)
>> --------------------192.168.1.192/26(Available:True)
>> --------------192.168.2.0/23(Available:False)
>> ----------------192.168.2.0/24(Available:True)
>> ------------------192.168.2.0/25(Available:True)
>> --------------------192.168.2.0/26(Available:True)
>> --------------------192.168.2.64/26(Available:True)
>> ------------------192.168.2.128/25(Available:True,Comment:repurchased on 04/25/2022 10:14:45)
>> --------------------192.168.2.128/26(Available:True)
>> --------------------192.168.2.192/26(Available:True)
>> ----------------192.168.3.0/24(Available:False)
>> ------------------192.168.3.0/25(Available:False,Comment:sold-out on 04/25/2022 10:14:45)
>> ------------------192.168.3.128/25(Available:True)
>> --------------------192.168.3.128/26(Available:True,Comment:repurchased on 04/25/2022 10:14:45)
>> --------------------192.168.3.192/26(Available:True)
>> ...
