While you can search by model name, searching by serial number is more precise. Look for the search bar or a specific "Warranty Status" or "Check Warranty" link. Many ASUS support pages feature a "Detect My Product" button, but manual entry is often faster.
Type the alphanumeric code exactly as it appears. Be careful to distinguish between similar characters, such as the number "0" and the letter "O," or the number "1" and the letter "I." asustek serial number lookup