HTTP/2 frames (Akamai)

1:65536;3:1000;4:6291456;6:262144|15663105|21:1:0:256|m,a,s,p

first seen 2026-10-02 03:06 · last seen 2026-10-02 03:06 · 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, "3": 1000, "4": 6291456, "6": 262144}
WINDOW_UPDATE15663105
PRIORITY frames21:1:0:256
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
t13d1516h2_8daaf6152771_e5627efa2ab11

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn12enus_60f823d07c94_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:54+10:0:1200:mss*54,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1200_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36 Edg/101.0.1210.471

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS203020 · HostRoyale Technologies Pvt Ltd1