HTTP/2 frames (Akamai)

1:65536;2:0;4:6291456;6:262144|15663105|15:1:0:256|m,a,s,p

first seen 2026-07-03 05:50 · last seen 2026-09-15 12:11 · JSON

Last 7 days (5 observations)

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": 65536, "2": 0, "4": 6291456, "6": 262144}
WINDOW_UPDATE15663105
PRIORITY frames15:1:0:256
Pseudo-header orderm,a,s,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_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, +24 more.The fingerprint page shows the full measured match list. More on the catalog.16
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.9
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1517h2_8daaf6152771_cb7bf5808d99 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 152.0.7977.64, chrome 152.0.7977.65, +5 more.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1518h2_8daaf6152771_e2d80978ab2e Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 152.0.7977.64, chrome 152.0.7977.65, +5 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d1517h2_8daaf6152771_dcad5a0539912
t13d1518h2_8daaf6152771_4980c97edce02

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn15ruru_74941313fa48_000000000000_0000000000005
ge20nr13enus_0c2c1d640f3e_000000000000_0000000000005
he20nn03enus_dc308f3700d9_000000000000_0000000000003
ge20nn14enus_00c893c2b404_000000000000_0000000000003
ge20nr04enus_a1e84a948d10_000000000000_0000000000002
ge20nn14frfr_00c893c2b404_000000000000_0000000000002
ge20nn13zhcn_0c2c1d640f3e_000000000000_0000000000002
ge20nr13ruru_0c2c1d640f3e_000000000000_0000000000002
ge20nn13ptbr_0c2c1d640f3e_000000000000_0000000000002
ge20nn11enus_f60a2dc9f654_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:117+11:0:1334:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:06
4:111+17:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+:03
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
6:48+16:0:1440:mss*45,8:mss,nop,ws,nop,nop,sok:flow:02
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:57+7:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:114+14:0:1340:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_77
64240_2-1-3-1-1-4_1334_86
65535_2-1-3-1-1-4_1440_83
65535_2-1-3-1-1-4_1340_83
65535_2-1-3-1-1-4_1460_82
64800_2-1-3-1-1-4_1440_82
64800_2-1-3-1-1-4_1420_82
62727_2-4-8-1-3_1460_71
64800_2-4-8-1-3_1440_71
65535_2-4-8-1-3_1460_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.367
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.367
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 Edg/150.0.0.02
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.362
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States12
NL · Netherlands7
CN · China4
FR · France3
BR · Brazil2
IL · Israel2
PH · Philippines2
DE · Germany1
SE · Sweden1
EE · Estonia1

Network (ASN)

fingerprintco-occurrences
AS50673 · Serverius7
AS4134 · CHINANET BACKBONE4
AS63949 · Akamai Connected Cloud3
AS16509 · Amazon.com, Inc.2
AS9299 · Philippine Long Distance Telephone Company2
AS1680 · Cellcom Fixed Line Communication L.P2
AS12322 · Free SAS2
AS7738 · V tal2
AS9009 · M247 Europe SRL1
AS14618 · Amazon.com, Inc.1