Auto-commit: 2025-10-31 08:58:35

Powershell-GetRangeIP/GetRangeIP.ps1

@@ -0,0 +1,50 @@
+#Mask
+function Get-IPRange {
+    param (
+        [string]$gateway,
+        [string]$subnetMask
+    )
+
+    # Check if the gateway and subnet mask are valid
+    try {
+        $ipAddress = [System.Net.IPAddress]::Parse($gateway)
+        $ipMask = [System.Net.IPAddress]::Parse($subnetMask)
+    } catch {
+        Write-Warning "Invalid IP Address or Subnet Mask: Gateway = $gateway, MASK_KS = $subnetMask"
+        return $null, $null
+    }
+
+    # Convert IP addresses and mask to bytes and reverse for conversion to UInt32
+    $ipBytes = $ipAddress.GetAddressBytes()
+    $maskBytes = $ipMask.GetAddressBytes()
+
+    # Reverse the bytes to match the little-endian order expected by BitConverter
+    [Array]::Reverse($ipBytes)
+    [Array]::Reverse($maskBytes)
+
+    # Convert the byte arrays to integers
+    $ipAddressInt = [BitConverter]::ToUInt32($ipBytes, 0)
+    $maskInt = [BitConverter]::ToUInt32($maskBytes, 0)
+
+    # Calculate the network address and broadcast address
+    $networkInt = $ipAddressInt -band $maskInt
+    $broadcastInt = $networkInt -bor (-bnot $maskInt)
+
+    # Calculate the start address (first host) and end address (last host)
+    $startAddressInt = $networkInt + 1
+    $endAddressInt = $broadcastInt - 1
+
+    # Convert integers back to IP address format
+    $startAddressBytes = [BitConverter]::GetBytes($startAddressInt)
+    $endAddressBytes = [BitConverter]::GetBytes($endAddressInt)
+
+    # Reverse the bytes again to match the expected IP address format
+    [Array]::Reverse($startAddressBytes)
+    [Array]::Reverse($endAddressBytes)
+
+    # Convert byte arrays to IP address strings
+    $startAddress = [System.Net.IPAddress]::Parse(($startAddressBytes -join '.'))
+    $endAddress = [System.Net.IPAddress]::Parse(($endAddressBytes -join '.'))
+
+    return $startAddress, $endAddress
+}