HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:256|m,a,s,p

first seen 2026-07-01 10:46 · last seen 2026-11-01 03:52 · JSON

Last 7 days (32 observations)

Distinct clients per day (last 30 days, peak 9/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

SETTINGS{"1": 65536, "2": 0, "4": 6291456, "6": 262144}
WINDOW_UPDATE15663105
PRIORITY frames3:1:0:256
Pseudo-header orderm,a,s,p

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_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +28 more.The fingerprint page shows the full measured match list. More on the catalog.119
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.111
t13d1517h2_8daaf6152771_cb7bf5808d99 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.52
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.20
t13d1517h2_8daaf6152771_dcad5a0539916
t13d1518h2_8daaf6152771_4980c97edce05
t13d1514h2_8daaf6152771_827b515c4f521

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +39 more.The fingerprint page shows the full measured match list. More on the catalog.53
ge20nn13zhcn_0c2c1d640f3e_000000000000_00000000000039
ge20nr13enus_0c2c1d640f3e_000000000000_00000000000018
ge20nr13enus_9519c2577190_000000000000_00000000000012
ge20nn04enus_39a3ba4480e8_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: urlsession 6.1.2.The fingerprint page shows the full measured match list. More on the catalog.11
ge20nn13zhcn_30dc68305204_000000000000_00000000000011
ge20nn15enus_28e542058e45_000000000000_00000000000010
ge20nr13engb_0c2c1d640f3e_000000000000_0000000000009
ge20nr18enus_04359aac950f_000000000000_0000000000009
ge20nn15enus_a80081d13d36_000000000000_0000000000008

TCP SYN (p0f)

fingerprintco-occurrences
6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:011
4:52+12:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:09
4:246+9:0:1460:mss*20,6:mss,sok,ts,nop,ws:df,id+:08
4:119+9:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:06
6:48+16:0:1440:65535,7:mss,nop,nop,sok,nop,ws:flow:06
4:49+15:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:05
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:53+11:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:05

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_733
65535_2-4-8-1-3_1460_932
65535_2-1-1-4-1-3_1440_716
64800_2-4-8-1-3_1440_712
62727_2-4-8-1-3_1460_711
62727_2-4-8-1-3_1460_1011
65535_2-4-8-1-3_1440_1011
29200_2-4-8-1-3_1460_610
64240_2-4-8-1-3_1460_108
65535_2-1-3-4-8_1460_87

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.3634
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.3633
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.3627
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.3625
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.3614
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.3613
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.3612
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.3612
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.12 Safari/537.3610
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.369

Country

fingerprintco-occurrences
US · United States131
CN · China58
RU · Russia11
AU · Australia10
DE · Germany10
NL · Netherlands10
SG · Singapore10
BR · Brazil10
ID · Indonesia8
FR · France7

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.28
AS4837 · CHINA UNICOM China169 Backbone20
AS63949 · Akamai Connected Cloud18
AS203020 · HostRoyale Technologies Pvt Ltd12
AS16509 · Amazon.com, Inc.11
AS35807 · SkyNet Ltd.9
AS63129 · AirRabbit, LLC9
AS4134 · CHINANET BACKBONE8
AS45102 · Alibaba (US) Technology Co., Ltd.7
AS8075 · Microsoft Corporation6

TLS supported groups

fingerprintco-occurrences
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.60
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, winhttp 10.0.20348.1, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1