HTTP/2 frames (Akamai)

1:38880;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s

first seen 2026-09-02 20:46 · last seen 2026-09-03 11:18 · JSON

Distinct clients per day (last 30 days, peak 2/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": 38880, "2": 0, "4": 131072, "5": 16384}
WINDOW_UPDATE12517377
PRIORITY frames3:0:0:42
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
t13d1515h2_60db84cde7a9_a54fffd0eb614

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn11enus_3901d4197baf_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 153.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.2
ge20nn10enus_d353d425b0bb_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 152.0.1.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:50+14:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:113+15:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:114+14:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_82
64240_2-4-8-1-3_1460_71
65535_2-4-8-1-3_1460_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.04

Country

fingerprintco-occurrences
AU · Australia4

Network (ASN)

fingerprintco-occurrences
AS1221 · Telstra Limited4