Add safeIpv4 and safeIpv6

src/Provider/Internet.php

@@ -254,6 +254,32 @@ public static function localIpv4()
         return long2ip(static::numberBetween(ip2long($ipBlock[0]), ip2long($ipBlock[1])));
     }
 
+    /**
+     * @example '192.0.2.1'
+     *
+     * @return string
+     */
+    public static function safeIpv4()
+    {
+        return '192.0.2.' . static::numberBetween(0, 255);
+    }
+
+    /**
+     * @example '2001:db8:ffff:ffff:ffff:ffff:ffff:ffff'
+     *
+     * @return string
+     */
+    public static function safeIpv6()
+    {
+        $res = ['2001', 'db8'];
+
+        for ($i = 0; $i < 6; ++$i) {
+            $res[] = dechex(self::numberBetween(0, 65535));
+        }
+
+        return implode(':', $res);
+    }
+
     /**
      * @example '32:F1:39:2F:D6:18'
      *

test/Provider/InternetTest.php

@@ -125,6 +125,16 @@ public function testIpv6(): void
         self::assertNotFalse(filter_var($this->faker->ipv6(), FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
     }
 
+    public function testSafeIpv4(): void
+    {
+        self::assertNotFalse(filter_var($this->faker->safeIpv4(), FILTER_VALIDATE_IP, FILTER_FLAG_IPV4));
+    }
+
+    public function testSafeIpv6(): void
+    {
+        self::assertNotFalse(filter_var($this->faker->safeIpv6(), FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
+    }
+
     public function testMacAddress(): void
     {
         self::assertNotFalse(filter_var($this->faker->macAddress(), FILTER_VALIDATE_MAC));