TCP SYN (p0f)

4:46+18:0:1452:mss*5,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-08-19 19:21 · last seen 2026-08-19 19:21 · JSON

Decomposed attributes

IP version4
Initial TTL46+18
Options length0
MSS1452
Window sizemss*5
Window scale9
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
Payload class0

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
t13d1714h1_5b57614c22b0_43ade6aba3df2
t13d5212h1_b262b3658495_8e6e362c5eac Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.21.0, node-fetch 24.19.0, node-fetch 22.23.1, +8 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_08e7224bf8c7_000000000000_0000000000001
ge11nn050000_ecbf4e651318_000000000000_0000000000001
ge11nn050000_cc11d17b741b_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
7300_2-4-8-1-3_1452_93

User-Agent

fingerprintco-occurrences
Bun/1.3.142
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
TR · Turkey3

Network (ASN)

fingerprintco-occurrences
AS34984 · Superonline Iletisim Hizmetleri A.S.3