DuckDuckBot

DuckDuckGo publishes machine-readable prefix lists for both DuckDuckBot (search crawler) and DuckAssistBot (AI-assisted answers). Use their official JSON feeds for current ranges.

Autonomous systems

Network background

DuckDuckBot egress often appears in cloud address space (commonly Microsoft Azure). Use DuckDuckGo’s published prefix list and live WHOIS alongside what you see in traffic.

DuckDuckBot Official feed

Official sources

https://duckduckgo.com/duckduckbot.json

Documentation

DuckDuckBot help page

DuckAssistBot (AI assistant) Official feed

Official sources

https://duckduckgo.com/duckassistbot.json

Documentation

DuckAssistBot help page