From 4cc28b8dd8d9b8d305e61a334f854217738ae055 Mon Sep 17 00:00:00 2001
From: "Kevin A. Pieckiel" <going.vague@simplelogin.co>
Date: Fri, 6 Jan 2023 18:22:45 -0500
Subject: [PATCH] Change shift left operator to exponent operator to avoid
 overflow

Large numbers of hosts (/0 and /1 subnets) are overflowing and showing
as a negative number.  Changing 1<<(32-mask) to 2**(32-mask) causes
JavaScript to calculate the integer properly.
---
 subnets.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/subnets.html b/subnets.html
index c24a7be..aeaf244 100644
--- a/subnets.html
+++ b/subnets.html
@@ -340,7 +340,7 @@ function network_address(ip, mask)
 
 function subnet_addresses(mask)
 {
-  return 1<<(32-mask);
+  return 2**(32-mask);
 }
 
 function subnet_last_address(subnet, mask)