TCP SYN (p0f)

6:249+6:0:1440:62587,7:mss,sok,ts,nop,ws:flow:0

first seen 2026-06-29 21:34 · last seen 2026-08-07 02:08 · JSON

Decomposed attributes

IP version6
Initial TTL249+6
Options length0
MSS1440
Window size62587
Window scale7
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
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.3
t13d190900_9dc949149365_97f8aa674fd92

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13zhcn_9519c2577190_000000000000_0000000000003
ge11nr040000_e1d2031bdfea_000000000000_0000000000001
ge11nn040000_e1d2031bdfea_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, +60 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:6291456;6:262144|15663105|7:1:0:256|m,a,s,p1
1:65536;2:0;4:6291456;6:262144|15663105|9:1:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
62587_2-4-8-1-3_1440_74

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.363
visionheight.com/scan Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/126.0.0.0 Safari/537.362

Country

fingerprintco-occurrences
US · United States5

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.5