TCP SYN (JA4T)
41600_2-1-3-4-8_1300_9
first seen 2026-09-18 04:15 · last seen 2026-09-18 05:38 · JSON
Decomposed attributes
| TCP window | 41600 |
|---|---|
| Option kinds | 2-1-3-4-8 |
| MSS | 1300 |
| Window scale | 9 |
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 |
|---|---|
t13d1517h2_8daaf6152771_cb7bf5808d99 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 154.0.8037.57, chrome 152.0.7977.64, +24 more.The fingerprint page shows the full measured match list. More on the catalog. | 10 |
t13d3112h2_e8f1e7e78f70_b26ce05bbdd6 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.5.0, php-curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn15jajp_28e542058e45_000000000000_000000000000 | 10 |
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +57 more.The fingerprint page shows the full measured match list. More on the catalog. | 10 |
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
6:236+19:0:1300:mss*32,9:mss,nop,ws,sok,ts::0 | 5 |
4:42+22:0:1300:mss*32,9:mss,nop,ws,sok,ts:df,id+:0 | 5 |
6:235+20:0:1300:mss*32,9:mss,nop,ws,sok,ts::0 | 2 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Mobile Safari/537.36 | 10 |
curl/8.5.0 | 2 |
Country
| fingerprint | co-occurrences |
|---|---|
JP · Japan | 12 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS138384 · Rakuten Mobile Network, Inc. | 12 |