Free plugin
Block IPs for Gravity Forms (Free)
Getting too much spam through your forms? This plugin lets you prevent specific IP addresses from submitting form requests created with Gravity Forms.
Free forever. GPLv3. Built and supported by Bright Plugins.
Setup
Installing it
Upload the folder gravity-block-ips to the /wp-content/plugins/ directory.
Activate the plugin through the Plugins menu in WordPress.
Add the IP addresses you want to block from submitting information in the site’s Gravity Forms.
Requirements
What it needs
Tested against current WordPress and WooCommerce releases.
WordPress 4.0+, tested to 6.3.10PHP 7.2 or later