Claude-User
Verified search engineIdentification
- User-Agent token
- Claude-User
- Published IP ranges
- 38
Requests claiming this User-Agent are verified against the operator's published ranges.
robots.txt behaviour
- Honours robots.txt
- Yes
- Honours crawl-delay
- Unknown
- Honours Allow rules
- Unknown
- Reads Sitemap directives
- Unknown
Observed activity
- Distinct IPs observed
- 364
- TLS fingerprints observed
- 13
- First seen
- 2026-10-04
- Last seen
- 2026-10-17
Aggregated across traffic monitored by urlcap. Updated continuously.
Where it crawls from
Top countries (by distinct IPs)
US
364
Top networks
Unknown network
364
Verify Claude-User on your own traffic
One API call checks a visitor's IP against published ranges, reverse DNS and TLS fingerprints — so spoofed User-Agents don't fool you.