HTTP/2 frames (Akamai)

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

first seen 2026-07-01 16:01 · last seen 2026-09-15 08:32 · JSON

Last 7 days (10 observations)

Distinct clients per day (last 30 days, peak 1/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 frames0
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.21
t13d1518h2_8daaf6152771_e2d80978ab2e 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.13
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.12
t13d1517h2_8daaf6152771_dcad5a0539919
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.6
t13d1515h2_8daaf6152771_be51d82afabe3
t13d1515h2_8daaf6152771_e4c2b8c727f23
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.3
t13d1516h2_8daaf6152771_9a55b862dad62
t13d1515h2_8daaf6152771_f37e75b10bcc2

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.18
ge20nn13enus_0e897bb088aa_000000000000_00000000000010
ge20nn050000_282098a6f928_000000000000_0000000000006
ge20nn020000_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.0, go-net/http 1.26.6, +10 more.The fingerprint page shows the full measured match list. More on the catalog.3
ge20nn13ptbr_0c2c1d640f3e_000000000000_0000000000003
ge20nn12enus_60f823d07c94_000000000000_0000000000002
ge20nn13enus_daf415dbcf20_000000000000_0000000000001
ge20nr13enus_07be69a2e595_000000000000_0000000000001
ge20nr13enus_99d37a3209eb_000000000000_0000000000001
ge20nn13enus_139640deb3ec_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:013
4:47+17:0:1460:65535,3:mss,sok,ts,nop,ws:df,id+:013
4:47+17:0:1460:mss*15,9:mss,sok,ts,nop,ws:df,id+:010
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:09
4:53+11:0:1380:mss*47,10:mss,sok,ts,nop,ws:df,id+:07
4:48+16:0:1460:mss*15,9:mss,sok,ts,nop,ws:df,id+:04
6:48+16:0:1420:mss*45,8:mss,nop,ws,nop,nop,sok:flow:04
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
4:49+15:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
4:45+19:0:1452:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:03

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_714
21900_2-4-8-1-3_1460_914
65535_2-1-3-1-1-4_1440_813
65535_2-4-8-1-3_1460_313
64240_2-4-8-1-3_1440_77
64860_2-4-8-1-3_1380_107
64800_2-1-3-1-1-4_1420_86
65535_2-1-3-1-1-8-4-0-0_1452_63
64660_2-4-8-1-3_1220_72
64860_2-4-8-1-3_1380_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.3619
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.3612
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.367
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.366
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.365
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.365
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.364
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.364
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.363

Country

fingerprintco-occurrences
US · United States32
NL · Netherlands15
CN · China13
CY · Cyprus7
BR · Brazil6
DE · Germany4
AR · Argentina3
FI · Finland1

Network (ASN)

fingerprintco-occurrences
AS16276 · OVH SAS14
AS197170 · TechTies Inc.13
AS4134 · CHINANET BACKBONE13
AS16509 · Amazon.com, Inc.9
AS8075 · Microsoft Corporation7
AS57169 · EDIS GmbH7
AS7738 · V tal6
AS401626 · Netiface America, Inc.3
AS22927 · Telefonica de Argentina3
AS396982 · Google LLC2