userstack.com
userstack - Free User-Agent Lookup & Device Detection API
Take control of your user experience with userstack, a lightweight User-Agent lookup JSON and XML API for real-time device, browser, and OS detection.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-09-10 |
| Last crawled | 2026-06-14 |
| IPv4 | 172.67.136.209 |
| IPv6 | 2606:4700:3035::ac43:88d1 |
| Network | AS13335 Cloudflare, Inc. · California |
| CNAME | userstack.com |
| Mail (MX) | aspmx.l.google.com.,alt1.aspmx.l.google.com.,alt2.aspmx.l.google.com.,alt3.aspmx.l.google.com.,alt3.aspmx.l.google.com. |
| Language | en |
| Server | cloudflare |