TCP SYN (JA4T)

29200_2-4-8-1-3_1460_12

first seen 2026-07-05 02:22 · last seen 2026-07-24 20:21 · JSON

Decomposed attributes

TCP window29200
Option kinds2-4-8-1-3
MSS1460
Window scale12

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
t13d1711h2_5b57614c22b0_e7c2852226513
t13d4412h1_fd39b124ee10_58ed7828516f1

HTTP request (JA4H)

fingerprintco-occurrences
ge20cr04ko00_39a3ba4480e8_9399021ba6df_197eb7353f182
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.1
ge20cr04ko00_a1e84a948d10_9399021ba6df_197eb7353f181

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:65856|1073741824|0|a,m,p,s3

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:mss*20,12:mss,sok,ts,nop,ws:df,id+:03
4:47+17:0:1460:mss*20,12:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
facebookexternalhit/1.1; kakaotalk-scrap/1.0; +https://devtalk.kakao.com/t/scrap/339843
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.41 Safari/537.361

Country

fingerprintco-occurrences
KR · South Korea3
NI · Nicaragua1

Network (ASN)

fingerprintco-occurrences
AS38099 · Kakao Corp3
AS267797 · EMPRESA NACIONAL DE TRANSMISIÓN ELÉCTRICA (ENATREL)1