HTTP/2 frames (Akamai)

1:65536;2:0;4:131072;5:16384|12517377|1:1:0:256|m,p,a,s

first seen 2026-08-17 21:54 · last seen 2026-10-11 18:05 · 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": 131072, "5": 16384}
WINDOW_UPDATE12517377
PRIORITY frames1:1:0:256
Pseudo-header orderm,p,a,s

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
t13d1715h2_5b57614c22b0_a54fffd0eb614
t13d1715h2_5b57614c22b0_0a20fe35d3a52
t13d1714h2_5b57614c22b0_0d7d2d92eb5f1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_6dac75bd47eb_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.4
ge20nn010000_379fadc6c8b7_000000000000_0000000000001
ge20cn010000_379fadc6c8b7_000000000000_0000000000001
ge20nr010000_379fadc6c8b7_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:115+13:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:110+18:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:44+20:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1452:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1400_84
64240_2-4-8-1-3_1460_71
65535_2-4-8-1-3_1460_61
64240_2-4-8-1-3_1452_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.364

Country

fingerprintco-occurrences
EG · Egypt4
CO · Colombia2
RO · Romania1

Network (ASN)

fingerprintco-occurrences
AS24863 · Link Egypt (Link.NET)4
AS8708 · DIGI ROMANIA S.A.1
AS13489 · UNE EPM TELECOMUNICACIONES S.A.1
AS18747 · IFX Corporation1