HTTP/2 frames (Akamai)

0|00|0|m,s,a,p

first seen 2026-06-15 10:59 · last seen 2026-08-30 16:40 · 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

WINDOW_UPDATE0
PRIORITY frames0
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
t13d1011h2_18ef40b21276_879711aa9f1666
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.1
t13d1515h2_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn14enus_068ebe3632ec_000000000000_00000000000033
po20nn23enus_91c53b5c6d06_000000000000_00000000000012
po20nn15enus_6175c8d80ef7_000000000000_00000000000012
po20nn15enus_bef4d4356c13_000000000000_0000000000009
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.18.0, +9 more.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
4:54+10:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:016
4:51+13:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:015
4:46+18:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:014
4:49+15:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:09
4:50+14:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:08
4:121+7:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:02
4:54+10:0:1460:mss*30,12:mss,sok,ts,nop,ws:df,id+,ts2+:02
4:49+15:0:1460:mss*30,12:mss,sok,ts,nop,ws:df,id+,ts2+:01
4:50+14:0:1460:mss*30,12:mss,sok,ts,nop,ws:df,id+,ts2+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1225
43440_2-4-8-1-3_1460_124
62727_2-4-8-1-3_1460_72

User-Agent

fingerprintco-occurrences
curl/8.7.145
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.3621
rtunnel-thumbprint/0.12

Country

fingerprintco-occurrences
FR · France66
US · United States2

Network (ASN)

fingerprintco-occurrences
AS211590 · Bucklog SARL66
AS16509 · Amazon.com, Inc.2