TCP SYN (JA4T)

64240_2-1-3-4-8_1412_8

first seen 2026-08-28 19:46 · last seen 2026-09-03 12:37 · JSON

Decomposed attributes

TCP window64240
Option kinds2-1-3-4-8
MSS1412
Window scale8

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)

fingerprintco-occurrences
t13d2913h1_723694b0fccc_5671b5df50295
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1515h1_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr16ruru_94fdc06e0694_000000000000_0000000000003
ge11nr11ruru_835281d8e5d9_000000000000_0000000000002
ge11nn14enus_4a2973d235de_000000000000_0000000000001
ge11nn11ruru_835281d8e5d9_000000000000_0000000000001
ge20nn16ruru_94fdc06e0694_000000000000_0000000000001
ge11nr11ruru_b350a6a7c155_000000000000_0000000000001
ge11nn11ruru_b350a6a7c155_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-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, +60 more.The fingerprint page shows the full measured match list. More on the catalog.4

TCP SYN (p0f)

fingerprintco-occurrences
4:110+18:0:1412:mss*44,8:mss,nop,ws,sok,ts:df,id+:05
4:112+16:0:1412:mss*44,8:mss,nop,ws,sok,ts:df,id+:03
4:117+11:0:1412:mss*44,8:mss,nop,ws,sok,ts:df,id+:01
4:114+14:0:1412:mss*44,8:mss,nop,ws,sok,ts:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 17_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Mobile/15E148 Safari/604.15
Mozilla/5.0 (Linux; Android 12; SM-G991B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.361
Mozilla/5.0 (Linux; Android 15; SM-F946B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.361
Mozilla/5.0 (Linux; Android 14; Pixel 9) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.36 OPR/135.0.0.01

Country

fingerprintco-occurrences
RU · Russia9
UA · Ukraine1

Network (ASN)

fingerprintco-occurrences
AS48327 · Ray-Svyaz Ltd.8
AS12389 · PJSC Rostelecom1
AS201776 · Miranda-Media Ltd1