HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|17:0:0:256|m,a,s,p

first seen 2026-09-05 18:05 · last seen 2026-09-06 07:56 · JSON

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 frames17:0:0:256
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
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, +4 more.The fingerprint page shows the full measured match list. More on the catalog.4
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
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.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr13zhcn_30894e6f72fe_000000000000_0000000000001
ge20nr14zhcn_7f99dd6fff8f_000000000000_0000000000001
ge20nr14zhcn_ac43f1cf8d1d_000000000000_0000000000001
ge20nr14zhcn_36fdb4bbc94b_000000000000_0000000000001
ge20nr13zhcn_04bd77906811_000000000000_0000000000001
ge20nr13zhcn_cd612575af1b_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:06

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1440_86

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/537.366

Country

fingerprintco-occurrences
CN · China6

Network (ASN)

fingerprintco-occurrences
AS4134 · CHINANET BACKBONE6