HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:147|m,a,s,p

first seen 2026-09-03 06:58 · last seen 2026-09-08 19:42 · 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 frames1:1:0:147
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_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.4

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn12enus_e18cbd711f51_000000000000_0000000000003
ge20nn12zhcn_e18cbd711f51_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:112+16:0:1386:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:107+21:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:112+16:0:1460:mss*33,10:mss,sok,ts,nop,ws:df,id+,ecn:01
4:110+18:0:1348:65535,8:mss,nop,ws,nop,nop,sok::01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_81
65535_2-1-3-1-1-4_1386_81
48180_2-4-8-1-3_1460_101
65535_2-1-3-1-1-4_1348_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.364

Country

fingerprintco-occurrences
US · United States1
HK · Hong Kong SAR China1
GB · United Kingdom1
BE · Belgium1

Network (ASN)

fingerprintco-occurrences
AS6167 · Verizon Business1
AS25160 · Vorboss Limited1
AS5432 · Proximus NV1
AS208259 · AVENSTORE ASSETS CO., LIMITED1