/ban-ip

Adds an IP address to the server's ban list, preventing any player from that address from connecting.

Syntax

/ban-ip <target|ip> [<reason>]

Name	Required	Description
target\|ip	Yes	An online player name (bans their IP) or a direct IP address string.
reason	No	An optional reason message for the ban.

/ban-ip 192.168.1.100
/ban-ip Steve VPN abuse

Requires permission level 3.
Dedicated server only — cannot be used in singleplayer.
Banning by IP affects all accounts sharing that address, which can be useful for players who create alternate accounts.
The IP ban list is stored in banned-ips.json on the server.

This command is not usable from command blocks. It is a server-operator-only command.