diff --git a/src/IP.php b/src/IP.php
index b072c4d..ecc2273 100644
--- a/src/IP.php
+++ b/src/IP.php
@@ -64,7 +64,7 @@ public static function parse(string $ip): self
         }
 
         if (is_numeric($ip)) {
-            return self::parseLong($ip);
+            return self::parseLong((int) $ip);
         }
 
         return new self($ip);
@@ -197,7 +197,7 @@ public function toLong(): string
             $octet = self::IP_V6_OCTETS - 1;
             foreach (unpack('C*', $this->in_addr) as $char) {
                 $exponent = (string) $octet--;
-                $long = bcadd($long, bcmul((string) $char, bcpow('256', $exponent)));
+                $long = bcadd((string) $long, bcmul((string) $char, bcpow('256', $exponent)));
             }
         }
 
@@ -255,4 +255,4 @@ public function prev(int $to = 1): self
 
         return new self(inet_ntop(pack(...array_merge(['C*'], $unpacked))));
     }
-}
+}
\ No newline at end of file
diff --git a/src/Range.php b/src/Range.php
index f6f4440..85551f8 100644
--- a/src/Range.php
+++ b/src/Range.php
@@ -141,7 +141,7 @@ public function getNetworks(): array
                     $excluded = $span->exclude($this->lastIP->next()->__toString());
                 } else {
                     $excluded = array_pop($networks);
-                    $excluded = $excluded->exclude($this->lastIP->next());
+                    $excluded = $excluded->exclude($this->lastIP->next()->__toString());
                 }
 
                 foreach ($excluded as $network) {
@@ -214,4 +214,4 @@ public function count(): int
     {
         return (int) bcadd(bcsub($this->lastIP->toLong(), $this->firstIP->toLong()), '1');
     }
-}
+}
\ No newline at end of file
diff --git a/tests/IPTest.php b/tests/IPTest.php
index d76cfc9..eab2c0d 100644
--- a/tests/IPTest.php
+++ b/tests/IPTest.php
@@ -101,7 +101,7 @@ public function testParseBinException(): void
      */
     public function testParseLong(): void
     {
-        $ipv4long = '2130706433';
+        $ipv4long = 2130706433;
         $ipv4 = IP::parseLong($ipv4long);
 
         $ipv6Long = '340277174624079928635746076935438991360';
@@ -197,8 +197,8 @@ public static function getTestConstructorExceptionData(): array
         return [
             ['256.0.0.1'],
             ['127.-1.0.1'],
-            [123.45],
-            [-123.45],
+            ['123.45'],
+            ['-123.45'],
             ['cake'],
             ['12345'],
             ['-12345'],
@@ -219,7 +219,7 @@ public static function getToStringData(): array
     public static function getTestParseData(): array
     {
         return [
-            [2130706433, '127.0.0.1'], // long
+            ['2130706433', '127.0.0.1'], // long
             ['0b01111111000000000000000000000001', '127.0.0.1'], // bin
             ['0x7f000001', '127.0.0.1'], // hex,
             ['0x20010000000000008000000000000000', '2001::8000:0:0:0'], // hex
@@ -270,4 +270,4 @@ public static function getReversePointerData(): array
             ['2001:db8::567:89ab', 'b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'],
         ];
     }
-}
+}
\ No newline at end of file