MySQL5.7 query users, configure IP restrictions

1) MySQL query now
 select host, user from user for all users;
 Navicat click on the user tab to query;
2) 

GRANT ALL PRIVILEGES ON *.* TO 'emspro'@'10.112.84.1' IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'emspro'@'10.112.84.2' IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'emspro'@'10.112.84.3' IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'emspro'@'10.112.68.23' IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

GRANT ALL PRIVILEGES ON *.* TO 'emspro'@'10.112.68.24' IDENTIFIED BY 'xxxx' WITH GRANT OPTION;

 

flush privileges;