Species index / toolkit
undici
Operator not identifiable from the User-Agent alone. Identity is self-declared and unverified.
3Requests
1Distinct IPs
3Well-known probes
2026-08-19First seen
2026-08-20Last seen
Identity
| Kind | agent |
|---|---|
| Family | toolkit |
| Stated purpose | unknown |
| UA match | undici |
| Verified | no |
| robots.txt | insufficient-data |
Node.js undici HTTP client.
What it went looking for
The order and selection of discovery paths is a design fingerprint: it reflects which conventions whoever built this client decided to support.
No discovery probes recorded.
Protocol fingerprint
| HTTP | TLS | Cipher | ALPN | Requests |
|---|---|---|---|---|
| HTTP/2.0 | TLS1.3 | TLS_AES_128_GCM_SHA256 | h2 | 3 |
TLS client fingerprint
Captured off the wire before the proxy terminates TLS. JA4 is stable across IP changes and much harder to spoof than a User-Agent string, so it is the strongest identity signal on this page.
| JA4 | JA3 | TLS | ALPN | Seen |
|---|---|---|---|---|
| t13d5212h1_b262b3658495_8e6e362c5eac | d67b094811e51451... | 13 | http/1.1,h2 | 3 |
Requests per day (60 days)
| Day | Requests | |
|---|---|---|
| 2026-08-19 | 2 | |
| 2026-08-20 | 1 |