HTTP/2 frames (Akamai)

1:4096;2:0;4:32768;5:16384|12517377|3:0:0:42|m,p,a,s

first seen 2026-06-11 08:57 · last seen 2026-10-24 16:32 · 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": 4096, "2": 0, "4": 32768, "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
t13d1616h2_86a278354501_eeeea656296022
t13d1517h2_8daaf6152771_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 155.0.1, firefox 154.0, firefox 156.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.6
t13d1516h2_8daaf6152771_eeeea65629606
t13d1614h2_86a278354501_3dd24b5ebec44
t13d1615h2_86a278354501_5c2c66f702b01
t13d1515h2_8daaf6152771_a54fffd0eb611
t13d1613h2_86a278354501_748f4c70de1c1
t13d1714h2_5b57614c22b0_3dd24b5ebec41
t13d1515h2_8daaf6152771_5c2c66f702b01
t13d1515h2_8daaf6152771_93cf104bf5901

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn11zhcn_3901d4197baf_000000000000_00000000000014
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.3
ge20nn13enus_dee81a311bfc_000000000000_0000000000003
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
ge20nn10ruru_d353d425b0bb_000000000000_0000000000002
ge20nr13engb_132e387f43f1_000000000000_0000000000002
ge20nn11ruru_3901d4197baf_000000000000_0000000000002
ge20nn10rukg_d353d425b0bb_000000000000_0000000000002
ge20nn10zhcn_d353d425b0bb_000000000000_0000000000002
ge20nr13enus_47bedc02e943_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:49+15:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:016
6:49+15:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:04
4:54+10:0:1286:65535,9:mss,sok,ts,nop,ws:df,id+:03
4:48+16:0:1380:65535,9:mss,nop,ws,sok,ts:df,id+:02
6:57+7:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:02
4:50+14:0:1394:65535,9:mss,sok,ts,nop,ws:df,id+:02
4:51+13:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:52+12:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:01
6:49+15:0:1440:32768,10:mss,nop,ws,sok,ts:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_1116
64800_2-4-8-1-3_1440_76
65535_2-4-8-1-3_1286_93
65535_2-4-8-1-3_1220_92
65535_2-4-8-1-3_1460_82
65535_2-4-8-1-3_1394_92
64240_2-4-8-1-3_1460_101
32768_2-1-3-4-8_1440_101
65535_2-4-8-1-3_1440_91
59640_2-1-3-4-8_1420_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Android 14; Mobile; rv:153.0) Gecko/153.0 Firefox/153.010
Mozilla/5.0 (Android 10; Mobile; rv:152.0) Gecko/152.0 Firefox/152.04
Mozilla/5.0 (Android 14; Mobile; rv:154.0) Gecko/154.0 Firefox/154.04
Mozilla/5.0 (Android 16; Mobile; rv:158.0) Gecko/158.0 Firefox/158.04
Mozilla/5.0 (Android 15; Mobile; rv:153.0) Gecko/153.0 Firefox/153.03
Mozilla/5.0 (Android 16; Mobile; rv:154.0) Gecko/154.0 Firefox/154.03
Mozilla/5.0 (Android 16; Mobile; rv:151.0) Gecko/151.0 Firefox/151.02
Mozilla/5.0 (Android 16; Mobile; rv:152.0) Gecko/152.0 Firefox/152.02
Mozilla/5.0 (Android 10; Mobile; rv:153.0) Gecko/153.0 Firefox/153.02
Mozilla/5.0 (Android 14; Mobile; rv:152.0) Gecko/152.0 Firefox/152.02

Country

fingerprintco-occurrences
ID · Indonesia18
US · United States5
NL · Netherlands4
AU · Australia3
PL · Poland3
TR · Turkey2
DE · Germany1
NO · Norway1
HK · Hong Kong SAR China1
FR · France1

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.16
AS203273 · NetCrafters OU4
AS41508 · ZINET.NET.PL Sp. z.o.o.3
AS133612 · Vodafone Australia Pty Ltd2
AS23693 · PT. Telekomunikasi Selular2
AS15924 · Vodafone Net Iletisim Hizmetler AS2
AS56971 · AS56971 Cloud2
AS60729 · Stiftung Erneuerbare Freiheit1
AS22773 · Cox Communications Inc.1
AS215125 · Church of Cyberology1

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 157.0.1, firefox-esr 153.5.1esr, firefox 158.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.5
11ec,001d,0017,0018,0019,02021