TCP SYN (p0f)

4:38+26:0:1460:65535,8:mss,nop,ws,sok,ts:df,id+:0

first seen 2026-07-04 02:12 · last seen 2026-07-04 03:47 · JSON

Decomposed attributes

IP version4
Initial TTL38+26
Options length0
MSS1460
Window size65535
Window scale8
Options layoutmss,nop,ws,sok,ts
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
t13d2513h1_f5a23f7cfd7b_e24568c0d4402
t13d2512h1_f5a23f7cfd7b_36bf25f296df1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.3

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-4-8_1460_83

User-Agent

fingerprintco-occurrences
curl/8.19.03

Country

fingerprintco-occurrences
RU · Russia3

Network (ASN)

fingerprintco-occurrences
AS34602 · MEGASVYAZ LLC3