TCP SYN (p0f)
4:52+12:0:1452:mss*44,1:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-09-09 06:27 · last seen 2026-10-13 08:31 · JSON
Distinct clients per day (last 30 days, peak 1/day)
Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 52+12 |
| Options length | 0 |
| MSS | 1452 |
| Window size | mss*44 |
| Window scale | 1 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,id+ |
| Payload class | 0 |
Co-observed signals
Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.
TLS ClientHello (JA4)
| fingerprint | co-occurrences |
|---|---|
t13d1515h1_8daaf6152771_0a20fe35d3a5 | 3 |
t13d2812h2_257f3020b3a2_cbb9361b6bf9 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn13enus_9db22d02e17a_000000000000_000000000000 | 3 |
ge20nn020000_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.1, go-net/http 1.27.3, +14 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:0:0:256|m,a,s,p | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64240_2-4-8-1-3_1452_1 | 4 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
ID · Indonesia | 2 |
IN · India | 1 |
CO · Colombia | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS7713 · PT Telekomunikasi Indonesia | 1 |
AS266860 · CONEXION DIGITAL EXPRESS S.A.S. | 1 |
AS149964 · PT. MITRACOM SOLUSI TEKNOLOGI | 1 |
AS134012 · Laxmi Internet Services Pvt Ltd | 1 |