it helps some times ECGI = MCC + MNC + eNodeB id + Cell id The latter two are ECI (eNodeB id + Cell id) -> 28 least bits.
eCGI and CGI for LTE and GSM networks
By : nkoehne
Date : March 29 2020, 07:55 AM
I hope this helps you . The CGI (2G and 3G) and eCGI (ofr 4G) is always a 15 decimal digit code For 2G 3G and 4g networks the five first digits are the MCC (Mobile Country Code) and the MNC (Mobile Network Code)