HTTP/2 frames (Akamai)

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

first seen 2026-07-18 21:38 · last seen 2026-09-15 21:19 · JSON

Last 7 days (19 observations)

Distinct clients per day (last 30 days, peak 9/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 frames1:0:0:256
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
t13d2812h2_257f3020b3a2_cbb9361b6bf949
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.9
t13d0914h2_05c2414c200e_62d62328d5883
t13d1515h2_8daaf6152771_98afadeeacd93
t13d1512h2_8daaf6152771_ef7df7f74e483
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
t13d1512h2_8daaf6152771_692424f3e1f72
t13d1311h2_90bf147d28ba_a0221db679e22
t13d1512h2_8daaf6152771_b378ea51cc812
t13d0716h2_286940097784_e5627efa2ab12

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn010000_379fadc6c8b7_000000000000_00000000000062
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.59
ge20nn04enus_989c7cc05c9b_000000000000_0000000000007
ge20nn010000_a510e5066512_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, java-httpclient 25.0.3, +6 more.The fingerprint page shows the full measured match list. More on the catalog.6
ge20cr06enus_ba5e17eeb7c7_000000000000_0000000000002
ge20nr020000_332fce1c30d2_000000000000_0000000000001
ge20cn010000_379fadc6c8b7_000000000000_0000000000001
ge20cn06enus_ba5e17eeb7c7_000000000000_0000000000001
ge20nn14zhcn_56edac0d91b5_000000000000_0000000000001
ge20nr12zhcn_f6a094a84bdf_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:55+9:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:081
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:013
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
4:111+17:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:02
4:112+16:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:46+18:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:44+20:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:48+16:0:1412:65535,9:mss,sok,ts,nop,ws:df,id+:02
4:47+17:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1400:65535,6:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_781
65535_2-1-3-1-1-4_1440_815
65535_2-4-8-1-3_1400_67
65535_2-4-8-1-3_1460_66
65535_2-4-8-1-3_1412_66
65535_2-4-8-1-3_1452_66
64240_2-4-8-1-3_1412_14
65535_2-4-8-1-3_1440_64
64240_2-4-8-1-3_1460_73
64240_2-1-3-1-1-4_1460_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.3625
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.3614
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.8 Safari/537.3614
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.365
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.363
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
SE · Sweden81
CN · China17
BR · Brazil10
DE · Germany5
IQ · Iraq5
TR · Turkey3
MA · Morocco3
VE · Venezuela3
IN · India2
AR · Argentina2

Network (ASN)

fingerprintco-occurrences
AS214379 · South Park Networks LLC81
AS4134 · CHINANET BACKBONE14
AS200373 · 3xK Tech GmbH3
AS9808 · China Mobile Communications Group Co., Ltd.3
AS199739 · Earthlink Telecommunications Equipment Trading & Services DMCC3
AS24940 · Hetzner Online GmbH2
AS216472 · High Speed For Internet Services L.L.C2
AS12389 · PJSC Rostelecom1
AS36903 · Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM1
AS9299 · Philippine Long Distance Telephone Company1