User-Agent

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/149.0.0.0 Safari/537.36

first seen 2026-06-12 16:08 · last seen 2026-09-14 14:34 · JSON

Decomposed attributes

Browser / clientHeadless Chrome 149.0.0.0
Operating systemmacOS 10.15.7
Device classbot
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

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.5
q13d0312h3_55b375c5d22e_178839b6cec1 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 156.0.8078.48, chrome 154.0.8037.57, +27 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d1517h2_8daaf6152771_dcad5a0539911

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn060000_a66d80452d16_000000000000_0000000000004
ge20nn030000_ff50983941c1_000000000000_0000000000001
ge30nn13engb_e2c7f8e37efc_000000000000_0000000000001
ge20nn13engb_e2c7f8e37efc_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 152.0.7977.83, +85 more.The fingerprint page shows the full measured match list. More on the catalog.3
2:0;4:6291456;5:16384;6:262144|15663105|0|m,a,s,p2
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

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1380:mss*47,10:mss,sok,ts,nop,ws:df,id+:05
4:48+16:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df:01

TCP SYN (JA4T)

fingerprintco-occurrences
64860_2-4-8-1-3_1380_105
65535_2-1-3-1-1-8-4-0-0_1460_61

QUIC transport params

fingerprintco-occurrences
q12_97eeb91f9c98 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +67 more.The fingerprint page shows the full measured match list. More on the catalog.1

Country

fingerprintco-occurrences
CY · Cyprus5
AU · Australia2

Network (ASN)

fingerprintco-occurrences
AS57169 · EDIS GmbH5
AS7545 · TPG Telecom Limited2