HTTP/2 frames (Akamai)

2:0;4:4194304;5:1048576;6:10485760|1073741824|0|a,m,p,s

first seen 2026-08-19 21:02 · last seen 2026-09-14 21:24 · JSON

Last 7 days (21 observations)

Distinct clients per day (last 30 days, peak 3/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{"2": 0, "4": 4194304, "5": 1048576, "6": 10485760}
WINDOW_UPDATE1073741824
PRIORITY frames0
Pseudo-header ordera,m,p,s

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.11
t13d1312h2_f57a46bbacb6_f50d94e863eb Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.0, go-net/http 1.27.1.The fingerprint page shows the full measured match list. More on the catalog.7
t13d2014h2_a09f3c656075_14788d8d241b2
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, +4 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d0313h2_55b375c5d22e_1eb89897b4541
t13i2511h2_b78ed14e2fd0_f50d94e863eb1
t13d1715h2_5b57614c22b0_5c2c66f702b0 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 132.0.The fingerprint page shows the full measured match list. More on the catalog.1
t13d1717h2_5b57614c22b0_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
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.8
ge20nr020000_fb4f949fd323_000000000000_0000000000004
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.2
ge20nn030000_ff50983941c1_000000000000_0000000000002
ge20nn04enus_ded3c6d8f0eb_000000000000_0000000000002
ge20nr13ruru_4ab217da8a11_000000000000_0000000000001
ge20nn020000_fb4f949fd323_000000000000_0000000000001
ge20nn13enus_8dff093ba0e2_000000000000_0000000000001
ge20nn04*000_a1e84a948d10_000000000000_0000000000001
ge20nn13enus_b0b044763903_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:51+13:0:1380:mss*47,7:mss,sok,ts,nop,ws:df,id+:08
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
6:45+19:0:1360:mss*48,7:mss,sok,ts,nop,ws:flow:03
4:51+13:0:1280:mss*51,10:mss,sok,ts,nop,ws:df,id+:02
4:48+16:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:01
4:49+15:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:01
4:44+20:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:01
4:57+7:0:1420:mss*30,7:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1460:mss*5,10:mss,sok,ts,nop,ws:df,id+,ecn:01
4:50+14:0:1280:mss*51,10:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64860_2-4-8-1-3_1380_78
64240_2-4-8-1-3_1460_75
7300_2-4-8-1-3_1460_104
65280_2-4-8-1-3_1360_73
65280_2-4-8-1-3_1280_103
42600_2-4-8-1-3_1420_71
64240_2-4-8-1-3_1452_121

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/537.369
curl/7.74.04
Go-http-client/2.02
Mozilla/5.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.01
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Safari/605.1.151
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Safari/605.1.151
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands16
DE · Germany4
SG · Singapore3
US · United States1
RU · Russia1

Network (ASN)

fingerprintco-occurrences
AS47674 · Net Solutions - Consultoria Em Tecnologias De Informacao, Sociedade Unipessoal LDA13
AS45102 · Alibaba (US) Technology Co., Ltd.4
AS13101 · TNG Stadtnetz GmbH3
AS39351 · 31173 Services AB2
AS396982 · Google LLC1
AS43357 · Owl Limited1
AS57378 · JSC ER-Telecom Holding1