HTTP/2 frames (Akamai)

1:4096;2:0;5:16384;6:131072;3:100;4:65536|26148865|0|m,s,p,a

first seen 2026-06-13 08:49 · last seen 2026-09-15 22:32 · JSON

Last 7 days (2289 observations)

Distinct clients per day (last 30 days, peak 464/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": 4096, "2": 0, "3": 100, "4": 65536, "5": 16384, "6": 131072}
WINDOW_UPDATE26148865
PRIORITY frames0
Pseudo-header orderm,s,p,a

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
t13d3111h2_e8f1e7e78f70_5ac7197df9d222467

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_80b089f68b8e_000000000000_00000000000011993
ge20nn020000_e5a56608905c_000000000000_0000000000005260
ge20nn09enus_c5abe4666a67_000000000000_0000000000003378
ge20nn070000_1903711a2262_000000000000_0000000000001448
ge20nn11enus_08fd186dd996_000000000000_000000000000180
ge20nn040000_3dccbaa13f05_000000000000_000000000000140
ge20nn030000_0d4c7aba53a3_000000000000_00000000000024
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.13
ge20nn040000_8ab5aeda5c38_000000000000_00000000000012
ge20nr07enus_7226337734ed_000000000000_0000000000008

TCP SYN (p0f)

fingerprintco-occurrences
6:56+8:0:1380:65535,8:mss,sok,ts,nop,ws::016959
6:58+6:0:1380:65535,8:mss,sok,ts,nop,ws::02643
6:46+18:0:1380:65535,8:mss,sok,ts,nop,ws::0674
6:53+11:0:1380:65535,8:mss,sok,ts,nop,ws::0612
6:49+15:0:1380:65535,8:mss,sok,ts,nop,ws::0597
6:55+9:0:1380:65535,8:mss,sok,ts,nop,ws::0445
6:47+17:0:1380:65535,8:mss,sok,ts,nop,ws::0100
6:52+12:0:1380:65535,8:mss,sok,ts,nop,ws::086
6:48+16:0:1380:65535,8:mss,sok,ts,nop,ws::071
6:54+10:0:1380:65535,8:mss,sok,ts,nop,ws::048

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1380_822450

User-Agent

fingerprintco-occurrences
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)8556
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))7550
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))4308
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))1062
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))688
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))116
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))38
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))32
Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))31
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))19

Country

fingerprintco-occurrences
US · United States20551
DE · Germany655
SG · Singapore651
GB · United Kingdom610

Network (ASN)

fingerprintco-occurrences
AS32934 · Facebook, Inc.22467