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 2026-09-16 13:29 · JSON

Last 7 days (40 observations)

Distinct clients per day (last 30 days, peak 14/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_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.84
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, +24 more.The fingerprint page shows the full measured match list. More on the catalog.68
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.17
t13d1517h2_8daaf6152771_cb7bf5808d99 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 152.0.7977.64, chrome 152.0.7977.65, +5 more.The fingerprint page shows the full measured match list. More on the catalog.11
t13d1517h2_8daaf6152771_dcad5a0539916
t13d1518h2_8daaf6152771_4980c97edce02

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, +23 more.The fingerprint page shows the full measured match list. More on the catalog.45
ge20nn13zhcn_0c2c1d640f3e_000000000000_00000000000020
ge20nr13enus_0c2c1d640f3e_000000000000_0000000000009
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.9
ge20nn15enus_a80081d13d36_000000000000_0000000000008
ge20nr13enus_9519c2577190_000000000000_0000000000007
ge20nr13engb_0c2c1d640f3e_000000000000_0000000000006
ge20nr18enus_04359aac950f_000000000000_0000000000006
ge20nr04enus_39a3ba4480e8_000000000000_0000000000005
ge20nr13zhcn_9519c2577190_000000000000_0000000000005

TCP SYN (p0f)

fingerprintco-occurrences
6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:010
4:52+12:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:08
4:246+9:0:1460:mss*20,6:mss,sok,ts,nop,ws:df,id+:08
4:49+15:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:05
4:120+8:0:1460:62727,9:mss,sok,ts,nop,ws:df,id+:05
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:57+7:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:53+11:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:04
6:41+23:0:1340:65535,8:mss,nop,ws,nop,nop,sok:flow:04

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_727
65535_2-4-8-1-3_1460_924
64800_2-4-8-1-3_1440_710
65535_2-1-1-4-1-3_1440_710
29200_2-4-8-1-3_1460_610
62727_2-4-8-1-3_1460_108
64240_2-4-8-1-3_1460_115
65535_2-1-3-1-1-4_1460_85
64240_2-1-1-4-1-3_1460_95
65535_2-1-3-1-1-4_1340_85

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/537.3632
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.3626
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.3621
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.3610
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.369
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.369
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.367
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/145.0.7632.0 Safari/537.366
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.366

Country

fingerprintco-occurrences
US · United States89
CN · China23
BR · Brazil10
DE · Germany8
SG · Singapore8
FR · France7
ID · Indonesia7
NL · Netherlands5
GB · United Kingdom4
IL · Israel4

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.15
AS63949 · Akamai Connected Cloud14
AS203020 · HostRoyale Technologies Pvt Ltd11
AS63129 · AirRabbit, LLC9
AS16509 · Amazon.com, Inc.8
AS45102 · Alibaba (US) Technology Co., Ltd.7
AS4837 · CHINA UNICOM China169 Backbone5
AS213476 · Litlink UAB5
AS9009 · M247 Europe SRL4
AS4134 · CHINANET BACKBONE4