HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|8290305|0|m,s,a,p

first seen 2026-08-04 18:26 · last seen 2026-10-10 14:46 · 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_UPDATE8290305
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
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.11
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.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +36 more.The fingerprint page shows the full measured match list. More on the catalog.3
ge20nr12enus_54b4638ab28b_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +58 more.The fingerprint page shows the full measured match list. More on the catalog.2
ge20nr13enus_0c2c1d640f3e_000000000000_0000000000002
ge20nr14engb_34822288a69d_000000000000_0000000000002
ge20nr13enus_9519c2577190_000000000000_0000000000001
ge20nr15kokr_bf571481c981_000000000000_0000000000001
ge20nn15engb_37ac3c14a8b9_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:08
6:51+13:0:1440:mss*45,8:mss,sok,ts,nop,ws:flow:03
6:115+13:0:1440:65535,8:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1460_68
64800_2-4-8-1-3_1440_83
65535_2-4-8-1-3_1440_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.368
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States8
NL · Netherlands3
KR · South Korea1

Network (ASN)

fingerprintco-occurrences
AS20115 · Charter Communications LLC8
AS214481 · Wojciech Czapkowicz3
AS15169 · Google LLC1