fixing bug where CIDR is not properly initialized when only IP is passed

Author: Athlon1600

README.md

@@ -6,7 +6,8 @@
 Given a list of IP address ranges, minify that list to the smallest possible size by performing the following
 optimizations:
 
-- removing duplicate IP ranges from the list
+- removing invalid IP addresses/ranges from the list
+- removing duplicates
 - removing IP ranges already covered by larger ranges in the list
 - merging adjacent IP ranges into larger, contiguous blocks
 

src/CIDR.php

@@ -34,8 +34,7 @@ protected function parseOrFail(string $cidrNotation): void
         $onlyIp = filter_var(trim($cidrNotation), FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
 
         if ($onlyIp) {
-            $this->prefix = $onlyIp;
-            $this->length = 32;
+            $this->parseOrFail($onlyIp . '/32');
             return;
         }