TCP SYN (p0f)

6:54+10:0:1440:mss*45,8:mss,nop,ws,nop,nop,sok:flow:0

first seen 2026-07-27 22:10 · last seen 2026-10-01 02:28 · JSON

Decomposed attributes

IP version6
Initial TTL54+10
Options length0
MSS1440
Window sizemss*45
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
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
t12d190800_d83cc789557e_7af1ed941c262
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +28 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +37 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn040000_ae2590be4883_000000000000_0000000000001
po11nn07uk00_7d361e250c48_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
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, +58 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-1-3-1-1-4_1440_83

User-Agent

fingerprintco-occurrences
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)1
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
DE · Germany1
US · United States1
DO · Dominican Republic1

Network (ASN)

fingerprintco-occurrences
AS22773 · Cox Communications Inc.1
AS14593 · Space Exploration Technologies Corporation1
AS3209 · Vodafone GmbH1