https://habr.com/ru/companies/cti/articles/721966/



МТС = epdg.epc.mnc001.mcc250.pub.3gppnetwork.org

Мегафон = epdg.epc.mnc002.mcc250.pub.3gppnetwork.org

Билайн = epdg.epc.mnc099.mcc250.pub.3gppnetwork.org

Теле2 = epdg.epc.mnc020.mcc250.pub.3gppnetwork.org