TCP SYN (p0f)

4:55+9:0:1412:65535,11:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-27 04:01 · last seen 2026-09-27 04:01 · JSON

Decomposed attributes

IP version4
Initial TTL55+9
Options length0
MSS1412
Window size65535
Window scale11
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
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d2014h2_a09f3c656075_e42f34c56612 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.6.1, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d3113h1_e8f1e7e78f70_d339722ba4af1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_afa057d9a858_000000000000_0000000000002
ge11nn050000_ea6f06182064_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, +57 more.The fingerprint page shows the full measured match list. More on the catalog.1
2:0;3:100;4:2097152;9:1|10420225|1:0:0:256|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1412_113

User-Agent

fingerprintco-occurrences
GlassloomTLSAudit/1.03

Country

fingerprintco-occurrences
US · United States3

Network (ASN)

fingerprintco-occurrences
AS2914 · NTT America, Inc.3