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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@opichals
There seems to be even better way which would be to use AT+CIPDINFO according to the docs PDF.
On github I could only find the CIPDINFO in the docs for ESP32 though and the implementation seems to be in the libat_core.a which looks like a closed source thing probably shared across the ESPs.