HTTP/2 frames (Akamai)

2:0;4:2097152;5:16384;6:16384|5177345|0|m,s,a,p

first seen 2026-06-12 19:36 · last seen 2026-11-01 17:32 · JSON

Last 7 days (19040 observations)

Distinct clients per day (last 30 days, peak 359/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{"2": 0, "4": 2097152, "5": 16384, "6": 16384}
WINDOW_UPDATE5177345
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_61a7ad8aa9b6_f9531d972513 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.13.4, rust-hyper 1.11.0, rust-hyper 1.11.1, +1 more.The fingerprint page shows the full measured match list. More on the catalog.28222
t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28.The fingerprint page shows the full measured match list. More on the catalog.23136
t13d3012h2_1d37bd780c83_8e6e362c5eac92
t13d1011h2_61a7ad8aa9b6_3a8073edd8ef11
t13d1011h2_61a7ad8aa9b6_0d308c48d2a3 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.13.5, rust-hyper 1.11.1, rust-hyper 1.12.0.The fingerprint page shows the full measured match list. More on the catalog.4

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn09enus_a1a0096bef8e_000000000000_00000000000019671
ge20nr050000_a36a3d5685e0_000000000000_0000000000001044
ge20nn050000_a36a3d5685e0_000000000000_0000000000001030
ge20nn030000_80b089f68b8e_000000000000_000000000000909
ge20nn09enus_11021b20a09b_000000000000_000000000000195
ge20nn09enus_d6ebfc2f6ac9_000000000000_000000000000176
ge20nn030000_ff50983941c1_000000000000_00000000000066
ge20nn09enus_3cfb631e00fc_000000000000_00000000000066
ge20nn09enus_14bb3be9acf4_000000000000_00000000000065
ge20nn09enus_b98f29bc4ddb_000000000000_00000000000060

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1460:35424,7:mss,sok,ts,nop,ws:df,id+:019983
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:014773
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:013306
4:45+19:0:1390:65535,12:mss,sok,ts,nop,ws:df,id+:01155
4:44+20:0:1390:65535,12:mss,sok,ts,nop,ws:df,id+:0960
4:118+10:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0510
4:119+9:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0382
4:57+7:0:1420:mss*30,7:mss,sok,ts,nop,ws:df,id+:089
4:50+14:0:1460:65535,10:mss,sok,ts,nop,ws:df,id+:041
4:44+20:0:1410:mss*46,7:mss,sok,ts,nop,ws:df,id+:037

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_728107
35424_2-4-8-1-3_1460_720042
65535_2-4-8-1-3_1390_122071
62727_2-4-8-1-3_1460_7906
42600_2-4-8-1-3_1420_799
64860_2-4-8-1-3_1410_764
65535_2-4-8-1-3_1460_1053
64240_2-4-8-1-3_1460_910
62587_2-4-8-1-3_1440_75
64240_2-4-8-1-3_1460_104

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; ExaSearchBot/1.0; +https://crawler.exa.ai/)28052
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Reflectionbot/1.0; +https://reflection.ai/bot) Chrome/151.0.0.0 Safari/537.3620042
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot1322
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)906
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; robots.txt; +https://openai.com/searchbot482
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.4; +https://openai.com/gptbot)334
Mozilla/5.0 (compatible; ExaUser/1.0; +https://crawler.exa.ai/exauser)92
Mozilla/5.0 (compatible; Qwantbot/1.0; +https://help.qwant.com/bot/)44
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; SleepBot/1.0; +http://sleepbot.com/) Chrome/131.0.0.0 Safari/537.3637
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; KeenableBot/1.0; +https://keenable.ai/bot)35

Country

fingerprintco-occurrences
US · United States51352
FR · France79
HU · Hungary7
AU · Australia6
DE · Germany6
RO · Romania4
NL · Netherlands2
RU · Russia2
CH · Switzerland1
GB · United Kingdom1

Network (ASN)

fingerprintco-occurrences
AS30058 · FDCservers.net28066
AS396982 · Google LLC20141
AS8075 · Microsoft Corporation2142
AS16509 · Amazon.com, Inc.913
AS199064 · QWANT SAS70
AS55286 · B2 Net Solutions Inc.26
AS27411 · Leaseweb USA, Inc.15
AS46516 · HostRoyale LLC15
AS7203 · Leaseweb USA, Inc.14
AS3215 · Orange S.A.9

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, winhttp 10.0.20348.1, +2 more.The fingerprint page shows the full measured match list. More on the catalog.29697
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1, python-requests 2.34.2, curl 8.23.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog.30
11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.4