HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|51:1:0:256|m,a,s,p

first seen 2026-07-22 22:08 · last seen 2026-10-30 09:29 · JSON

Last 7 days (1 observations)

Distinct clients per day (last 30 days, peak 2/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 frames51:1:0:256
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
t13d1517h2_8daaf6152771_cb7bf5808d99 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 154.0.8037.57, chrome 152.0.7977.64, +24 more.The fingerprint page shows the full measured match list. More on the catalog.4
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.3
t13d1518h2_8daaf6152771_e2d80978ab2e Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 154.0.8037.57, chrome 152.0.7977.64, +24 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn16ruru_aedc7d5591f1_000000000000_0000000000002
ge20nn14frfr_00c893c2b404_000000000000_0000000000001
ge20nn15ruru_74941313fa48_000000000000_0000000000001
ge20nn14zhcn_1cb378dcbf90_000000000000_0000000000001
ge20nn16ru00_aedc7d5591f1_000000000000_0000000000001
ge20nr14enau_3fb598f484fb_000000000000_0000000000001
ge20nn12frfr_0c49a29ad502_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:114+14:0:1460:65535,8:mss,nop,ws,sok,ts:df,id+:02
4:109+19:0:1460:65535,8:mss,nop,ws,sok,ts:df,id+:02
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:111+17:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:51+13:0:1460:65535,10:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-4-8_1460_84
64240_2-4-8-1-3_1440_71
65535_2-1-3-1-1-4_1460_81
65535_2-1-3-1-1-4_1440_81
65535_2-4-8-1-3_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Safari/537.36 Edg/153.0.0.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.36 Edg/155.0.0.01

Country

fingerprintco-occurrences
RU · Russia4
AU · Australia1
US · United States1
FR · France1
CN · China1

Network (ASN)

fingerprintco-occurrences
AS35807 · SkyNet Ltd.4
AS8075 · Microsoft Corporation1
AS22773 · Cox Communications Inc.1
AS4134 · CHINANET BACKBONE1
AS12322 · Free SAS1

TLS supported groups

fingerprintco-occurrences
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog.3