TCP SYN (p0f)

4:119+9:0:1460:8192,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-26 20:09 · last seen 2026-06-26 20:09 · JSON

Decomposed attributes

IP version4
Initial TTL119+9
Options length0
MSS1460
Window size8192
Window scale9
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
t13d1517h2_8daaf6152771_dcad5a0539913
t13d081300_b8c177e1861e_89e9e4bb34192

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr13enus_82d96efe40c3_000000000000_0000000000002
he11nn040000_d52f6627c82f_000000000000_0000000000001
ge20nn14enus_22d226078255_000000000000_0000000000001
ge11nn040000_d52f6627c82f_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +59 more.The fingerprint page shows the full measured match list. More on the catalog.2
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

User-Agent

fingerprintco-occurrences
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; HubSpot Crawler; +https://www.hubspot.com) Chrome/131.0.0.0 Safari/537.365

Country

fingerprintco-occurrences
US · United States5

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.5