HTTP/2 frames (Akamai)

1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p

first seen 2026-06-11 06:02 · last seen 2026-09-15 21:59 · JSON

Last 7 days (16 observations)

Distinct clients per day (last 30 days, peak 15/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, "3": 1000, "4": 6291456, "6": 262144}
WINDOW_UPDATE15663105
PRIORITY frames1:1:0:256
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_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.104
t13d1313h2_f57a46bbacb6_9249cab70c7764
t13d1516h2_8daaf6152771_e5627efa2ab161
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.13
t13d1515h2_8daaf6152771_de4a06bb82e36
t13d1517h2_8daaf6152771_520bb30278ac4
t13i1515h2_8daaf6152771_02713d6af8623
t13d1517h2_8daaf6152771_0bf6ec06e1993

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr020000_fb4f949fd323_000000000000_00000000000038
ge20nn12enus_60f823d07c94_000000000000_00000000000037
ge20nn020000_fb4f949fd323_000000000000_00000000000026
ge20nn14en00_c2507efc711e_000000000000_00000000000021
ge20nn05en00_fac3da1ed2d2_000000000000_00000000000021
ge20nr05en00_e6370f8e4d7a_000000000000_00000000000015
ge20nr14en00_c2507efc711e_000000000000_00000000000015
ge20nr14enus_c2507efc711e_000000000000_00000000000012
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, +22 more.The fingerprint page shows the full measured match list. More on the catalog.9
ge20nn110000_f553327a6567_000000000000_0000000000007

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:021
4:47+17:0:1460:65535,3:mss,sok,ts,nop,ws:df,id+:021
4:43+21:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:018
6:51+13:0:1360:mss*6,10:mss,sok,ts,nop,ws:ecn,flow:014
4:50+14:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:011
6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:09
4:43+21:0:1398:mss*20,9:mss,sok,ts,nop,ws:df,id+:08
4:46+18:0:1398:mss*44,7:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:08
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:07
6:49+15:0:1360:mss*6,10:mss,sok,ts,nop,ws:ecn,flow:07

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1051
7300_2-4-8-1-3_1460_1023
64240_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1398_721
65535_2-4-8-1-3_1460_321
8160_2-4-8-1-3_1360_1019
64800_2-4-8-1-3_1440_718
64240_2-4-8-1-3_1460_717
29200_2-4-8-1-3_1398_98
35844_2-4-8-1-3_1460_107
1152_2-4-8-1-3_1460_007

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 7_1_2 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Version/7.0 Mobile Safari/537.36 (compatible; Bytespider; https://bytedance.sg.larkoffice.com/docx/K5bxdypulop3IIxrJb0lOjLVgFe)49
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.3640
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.3625
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.3622
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.3611
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.368
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.367
Mozilla/5.0 (Linux; Android 11; Redmi Note 8 Pro Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.72 MQQBrowser/6.2 TBS/045913 Mobile Safari/537.36 V1_AND_SQ_8.8.68_2538_YYB_D A_8086800 QQ/8.8.68.7265 NetType/WIFI WebP/0.3.0 Pixel/1080 StatusBarHeight/76 SimpleUISwitch/1 QQTheme/2971 InMagicWin/0 StudyMode/0 CurrentMode/1 CurrentFontScale/1.0 GlobalDensityScale/0.9818182 AppId/537112567 Edg/98.0.4758.1026
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.365
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.365

Country

fingerprintco-occurrences
SG · Singapore64
CN · China51
US · United States40
NL · Netherlands32
CA · Canada20
FI · Finland10
SE · Sweden8
DE · Germany6
EG · Egypt5
GB · United Kingdom3

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.51
AS45102 · Alibaba (US) Technology Co., Ltd.38
AS197170 · TechTies Inc.28
AS4134 · CHINANET BACKBONE27
AS60068 · Datacamp Limited17
AS24940 · Hetzner Online GmbH10
AS9808 · China Mobile Communications Group Co., Ltd.8
AS63018 · Dedicated.com8
AS214379 · South Park Networks LLC6
AS60729 · Stiftung Erneuerbare Freiheit5