From 45c25fa5f3a34e5a24f9e8cddcab658e5f0b72a4 Mon Sep 17 00:00:00 2001
From: Maarten <maarten@suiteseven.nl>
Date: Wed, 27 Nov 2024 20:12:45 +0100
Subject: [PATCH] Fix usable hosts for /32 subnet

---
 app/Services/Subnet.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Services/Subnet.php b/app/Services/Subnet.php
index 36322f3..ff54bbe 100644
--- a/app/Services/Subnet.php
+++ b/app/Services/Subnet.php
@@ -40,7 +40,7 @@ class Subnet
             throw new Exception("CIDR must be between 0 and 32.");
         }
 
-        $hosts   = (1 << (32 - $cidr)) - 2; // Excludes network and broadcast
+        $hosts = ($cidr === 32) ? 1 : (1 << (32 - $cidr)) - 2; // Special case for /32
         $ipLong  = ip2long($ip);
         $mask    = -1 << (32 - $cidr);
         $network = $ipLong & $mask;