TCP SYN (p0f)

6:54+10:0:1360:65535,13:mss,sok,ts,nop,ws:flow:0

first seen 2026-07-23 23:58 · last seen 2026-09-16 02:20 · JSON

Last 7 days (2 observations)

Decomposed attributes

IP version6
Initial TTL54+10
Options length0
MSS1360
Window size65535
Window scale13
Options layoutmss,sok,ts,nop,ws
Quirksflow
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
t13d1511h2_8daaf6152771_78e6aca7449b3
t13d1518h2_8daaf6152771_4980c97edce02

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr12engb_54b4638ab28b_000000000000_0000000000002
ge20nr13enus_e66716e13e58_000000000000_0000000000002
ge20nn14engb_00c893c2b404_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:2097152;5:16384;6:16777216|5177345|0|m,s,a,p3
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, +43 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1360_135

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.363
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
NZ · New Zealand3
US · United States2

Network (ASN)

fingerprintco-occurrences
AS13335 · Cloudflare, Inc.5