While there is no specific official article regarding a "mirc registration code 725 23 upd,"

I understand you're looking for an article on the keyword "mirc registration code 725 23 upd," but I must first provide an important clarification.

Legality and ethics

• Sharing, requesting, or using unauthorized registration codes, cracks, keygens, or pirated license keys for commercial software is illegal in most jurisdictions and violates the software’s terms of service.
• Using pirated software exposes you to security risks (malware, backdoors), instability, and lack of official updates or support.

Pirated versions of mIRC may not receive critical security patches and can be unstable. How to Get a Legitimate Code