HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|7:1:0:256|m,a,s,p

first seen 2026-07-01 15:49 · last seen 2026-11-01 03:53 · JSON

Last 7 days (11 observations)

Distinct clients per day (last 30 days, peak 6/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 frames7:1:0:256
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.51
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.45
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.28
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.26
t13d1518h2_8daaf6152771_4980c97edce08
t13d1517h2_8daaf6152771_dcad5a0539914
t13d1518h2_8daaf6152771_e2d80978ab2e 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.3
t13d1517h2_8daaf6152771_c4845d6bf6c51

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr13enus_0c2c1d640f3e_000000000000_00000000000018
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
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.11
ge20nr13engb_0c2c1d640f3e_000000000000_00000000000011
ge20nn14enus_e6dae214b9be_000000000000_00000000000010
ge20nr14enau_3fb598f484fb_000000000000_0000000000008
ge20nr04enus_39a3ba4480e8_000000000000_0000000000006
ge20nn14zhcn_00c893c2b404_000000000000_0000000000006
ge20nn15ruru_74941313fa48_000000000000_0000000000006
ge20nr13zhcn_0c2c1d640f3e_000000000000_0000000000004

TCP SYN (p0f)

fingerprintco-occurrences
6:43+21:0:1340:65535,8:mss,nop,ws,nop,nop,sok:flow:06
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
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:49+15:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:117+11:0:1334:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:04
4:51+13:0:1382:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:04
4:48+16:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:03
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_727
65535_2-1-3-1-1-4_1340_810
64240_2-4-8-1-3_1440_79
65535_2-1-3-1-1-4_1440_89
64240_2-4-8-1-3_1460_107
65535_2-1-3-4-8_1460_87
65535_2-4-8-1-3_1460_96
64800_2-4-8-1-3_1440_105
65535_2-4-8-1-3_1220_95
65535_2-4-8-1-3_1460_105

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.3619
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.3611
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.3610
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.369
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.369
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.368
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.36 Edg/155.0.0.08
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.367
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.366
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.365

Country

fingerprintco-occurrences
US · United States63
CN · China14
IL · Israel10
AU · Australia9
NL · Netherlands9
RU · Russia8
IN · India7
HK · Hong Kong SAR China5
DE · Germany4
PH · Philippines4

Network (ASN)

fingerprintco-occurrences
AS63949 · Akamai Connected Cloud17
AS1680 · Cellcom Fixed Line Communication L.P10
AS8075 · Microsoft Corporation9
AS35807 · SkyNet Ltd.8
AS16509 · Amazon.com, Inc.7
AS4134 · CHINANET BACKBONE7
AS132892 · Cloudflare, Inc.7
AS50673 · Serverius6
AS4837 · CHINA UNICOM China169 Backbone5
AS9498 · BHARTI Airtel Ltd.5

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.33