HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,s,a,p

first seen 2026-10-01 14:11 · last seen 2026-10-04 21:50 · 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 frames1:1:0:220
Pseudo-header orderm,s,a,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, +28 more.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr08enus_6fbeabe70649_000000000000_0000000000001
ge20nr09cnr0_6dc8a3800e93_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:49+15:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1400_71
65535_2-4-8-1-3_1460_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.2 Safari/605.1.151
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.1 Safari/605.1.151

Country

fingerprintco-occurrences
US · United States1
ME · Montenegro1

Network (ASN)

fingerprintco-occurrences
AS8585 · Crnogorski Telekom a.d.Podgorica1
AS27364 · Armstrong1