Whitelist Search Engine Crawlers (Bots) in Firewall

Generate Search Engine Bot IP List

Instantly create whitelist or blacklist IP lists of major search engine crawlers in multiple formats and get ready to deploy on your servers, firewalls, and security systems.

How to Generate a Search Engine Bot IP List

1. Choose

Choose the search engines bots you wish to whitelist or blacklist.

2. Select

Select your preferred output format.

3. Download

Click Generate & Download.

Search Engines (Bots) List Generator



Available Output Formats

Format Sample Output
Apache .htaccess allow allow from 8.8.8.0/24
Apache .htaccess deny deny from 8.8.8.0/24
CIDR 8.8.8.0/24
Linux iptables iptables -A INPUT -s 8.8.8.8/24 -j DROP
Netmask 8.8.8.0/255.255.255.0
Inverse Netmask 8.8.8.0 0.0.0.255
Web.config allow <ipSecurity allowUnlisted="false">
<add ipAddress="8.8.8.0" subnetMask="255.255.255.0"/>
Web.config deny <ipSecurity allowUnlisted="true">
<add ipAddress="8.8.8.0" subnetMask="255.255.255.0"/>
Cisco ACL deny ip 8.8.8.0 0.0.0.255 any

Get the Full Search Engine Bot IP Database

  • Complete search engine bot IP ranges
  • Regularly updated bot records
  • More supported bots
  • Higher download limits
Block unwanted traffics using firewall list

Understanding Spider Bots: The Good and The Bad

What Are Spider Bots?

Spider bots, also known as web spiders or search engine crawlers, are automated programs designed to scan and analyze web pages across the internet. They systematically read and collect information from websites and process this data for various purposes.

Bots play a dual role in today’s digital ecosystem. On one hand, they power essential services like search engines and website monitoring. On the other hand, they can be misused for malicious activities such as scraping, fraud, and cyberattacks, depending on who controls them and how they are used.

Common Web Crawlers & Bots

Many bots constantly crawl the internet, including well-known ones like:

Googlebot, Bingbot, Baiduspider, Slurp (Yahoo), YandexBot, Sogou Spider, Alexa Crawler, DuckDuckBot, Slackbot, Facebook Bot, GPTBot, and more.

These bots serve different purposes, from search engine indexing to link previews and AI data collection.

Good Bots vs Bad Bots

Aspect Good Bots Bad Bots
Description Improve website visibility, performance, and accessibility Cause financial loss, security breaches, and server overload
Common Activities
  • Indexing websites for search engines
  • Monitoring website uptime and performance
  • Checking backlinks and site health
  • Fetching preview data for social sharing
  • Data scraping and content theft
  • Automated spam and fake account creation
  • Credential stuffing attacks
  • Click fraud on ads
  • Vulnerability scanning and DDoS attacks
Examples Googlebot, uptime monitors, SEO crawlers Scrapers, spam bots, brute-force bots, DDoS bots

Now that you know how search engine bots work, take the next step: use IP2Location to generate and manage your own bot whitelist or blacklist to ensure your website runs smoothly and safely.

How to Manage Search Engine Crawlers in Your Firewall