Servers usually have a "multi-connection" limit. If 500 people try to use the same MAC address simultaneously, the server will either block the address or the stream will suffer from constant buffering.
A code from late 2022 is almost certainly inactive today. These are shared in bulk on forums and Telegram channels to drive traffic to websites. How to Use STBemu Codes FREE UK STBEMU CODE 01/11/2022
The date in your subject (01/11/2022) is the most critical factor. In the world of IPTV: Servers usually have a "multi-connection" limit
Many sites promising "Free STBemu Codes" are laden with aggressive ads, trackers, and potential malware downloads. FREE UK STBEMU CODE 01/11/2022
Most free codes are "trials" or "leaked" credentials. They rarely last longer than 24 to 48 hours.