As part of a data migration you will need to Magento 2 to access the database of your Magento 1 site.
N.B - It is not recommended you carry out these steps unless you are fully aware of the implications and security considerations.
mysql -e "CREATE USER 'mdoqmigrate'@'213.105.127.195/255.255.255.240' IDENTIFIED BY 'STRONGPASSWORD';"
mysql -e "GRANT ALL PRIVILEGES ON magento.* TO 'mdoqmigrate'@'213.105.127.195/255.255.255.240';"
mysql -e "FLUSH PRIVILEGES";