TCP SYN (p0f)

4:54+10:0:1340:27520,7:mss,sok,ts,nop,ws::0

first seen 2026-07-19 14:55 · last seen 2026-07-19 14:55 · JSON

Decomposed attributes

IP version4
Initial TTL54+10
Options length0
MSS1340
Window size27520
Window scale7
Options layoutmss,sok,ts,nop,ws
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
t13d2813h2_257f3020b3a2_91b187c34d401

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn010000_a510e5066512_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, java-httpclient 25.0.3, +6 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:0:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
27520_2-4-8-1-3_1340_71

User-Agent

fingerprintco-occurrences
curl/8.15.0-IMPERSONATE1

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS11878 · tzulo, inc.1