---
author: "Umesh Malik"
canonical: "https://umesh-malik.com/blog/tag/bot-verification"
description: "Explore articles tagged with Bot Verification by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Bot Verification best practices, practical tips, and in-depth guides."
title: "Umesh Malik's Blog - Bot Verification Articles | Bot Verification Tutorials"
tokens: 158
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# Bot Verification

1 article

 [![Verifying AI crawler identity by matching source IPs against published CIDR lists instead of trusting the User-Agent header](https://umesh-malik.com/blog/verify-ai-crawler-ips-not-user-agents-cover.png)

AI Security • Aug 13, 2026

### How to Verify AI Crawler IPs: 3 Lists Are Over a Year Stale

Verify AI crawler IPs instead of trusting the User-Agent: the CIDR check for ClaudeBot and GPTBot, and the three published lists that are over a year stale.

8 min read

Read more →](https://umesh-malik.com/blog/verify-ai-crawler-ips-not-user-agents)