HTTP/2 frames (Akamai)

1:65536;2:0;4:131072;5:16384|12517377|1:0:0:256|m,p,a,s

first seen 2026-07-10 21:39 · last seen 2026-09-30 09:31 · JSON

Decomposed attributes

SETTINGS{"1": 65536, "2": 0, "4": 131072, "5": 16384}
WINDOW_UPDATE12517377
PRIORITY frames1:0:0:256
Pseudo-header orderm,p,a,s

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
t13d1717h2_5b57614c22b0_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.20
t13d1716h2_5b57614c22b0_eeeea6562960 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 132.0, firefox 134.0.The fingerprint page shows the full measured match list. More on the catalog.19
t13d1513h2_8daaf6152771_748f4c70de1c8

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn11enus_3901d4197baf_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 153.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.39
ge20nn12enus_a72b71f519fc_000000000000_0000000000008

TCP SYN (p0f)

fingerprintco-occurrences
6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:08
6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:05
4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::04
4:51+13:0:1460:mss*44,13:mss,sok,ts,nop,ws:df,id+:03
4:50+14:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:03
4:51+13:0:1460:32768,10:mss,nop,ws,sok,ts::03
4:55+9:0:1460:mss*29,10:mss,nop,nop,sok,nop,ws:df,id+:03
4:54+10:0:1460:32768,10:mss,nop,ws,sok,ts::03
4:47+17:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:02
4:53+11:0:8902:mss*7,12:mss,sok,ts,nop,ws:df,id+,ecn:02

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_713
32768_2-1-3-4-8_1460_1010
65535_2-1-3-1-1-8-4-0-0_1380_64
64240_2-4-8-1-3_1460_73
65535_2-4-8-1-3_1460_93
64240_2-4-8-1-3_1460_133
42340_2-1-1-4-1-3_1460_103
64240_2-4-8-1-3_1460_102
64240_2-1-1-4-1-3_1460_92
62314_2-4-8-1-3_8902_122

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.012
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.011
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.08
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.9) Gecko/20100101 Firefox/137.93
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.4) Gecko/20100101 Firefox/137.43
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.3) Gecko/20100101 Firefox/137.32
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.9) Gecko/20100101 Firefox/135.91
Mozilla/5.0 (X11; Linux x86_64; rv:125.3) Gecko/20100101 Firefox/125.31
Mozilla/5.0 (X11; Linux x86_64; rv:125.8) Gecko/20100101 Firefox/125.81

Country

fingerprintco-occurrences
SE · Sweden14
NL · Netherlands11
FI · Finland6
DE · Germany5
TR · Turkey4
US · United States3
AT · Austria2
BR · Brazil1
VN · Vietnam1

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology10
AS214379 · South Park Networks LLC8
AS24940 · Hetzner Online GmbH6
AS9121 · Turk Telekomunikasyon Anonim Sirketi4
AS14061 · DigitalOcean, LLC3
AS60729 · Stiftung Erneuerbare Freiheit3
AS41281 · KeFF Networks Ltd3
AS214503 · QuxLabs AB2
AS208323 · Foundation for Applied Privacy2
AS205100 · F3 Netze e.V.2