HTTP/2 frames (Akamai)

3:100;4:33554432;2:0|33488897|0|m,p,s,a

first seen 2026-06-11 17:03 · last seen 2026-11-02 05:46 · JSON

Last 7 days (8 observations)

Distinct clients per day (last 30 days, peak 71/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, "3": 100, "4": 33554432}`
WINDOW_UPDATE	`33488897`
PRIORITY frames	`0`
Pseudo-header order	`m,p,s,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)

fingerprint	co-occurrences
`t13d3113h2_e8f1e7e78f70_1b3407e2c936`	228
`t13d3112h2_e8f1e7e78f70_b26ce05bbdd6` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.5.0, php-curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.	156
`t13d3113h2_e8f1e7e78f70_ce5650b735ce`	82
`t13d2013h2_a09f3c656075_7f0f34a4126d` Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.6.2, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.	10
`t13d3515h2_bfa337485184_3ad6d895dd8c`	6
`t13d3613h2_018971650b2c_e7e754ef087b`	2
`t13d3112h2_e8f1e7e78f70_8d633dac7124` Match?Exact match in Thumbprint's published controlled catalog captures: curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.	2
`t12d8007h2_9cedc1f1428b_8587f467d9ea`	1

HTTP request (JA4H)

fingerprint	co-occurrences
`ge20nn020000_5594a17e7e7e_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.	304
`ge20nr020000_5594a17e7e7e_000000000000_000000000000`	97
`ge20nr030000_ff50983941c1_000000000000_000000000000`	23
`ge20cn04enus_91b626dfdddd_a9337a894088_83d3e9453f15`	22
`ge20nr05enus_d0c4616abeb5_000000000000_000000000000`	10
`ge20nn030000_042112399351_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0.The fingerprint page shows the full measured match list. More on the catalog.	8
`ge20nn020000_e5a56608905c_000000000000_000000000000`	6
`ge20nn030000_ff50983941c1_000000000000_000000000000`	4
`ge20nn010000_c125d0397b60_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, rust-reqwest 0.13.5, +2 more.The fingerprint page shows the full measured match list. More on the catalog.	2
`ge20nn040000_88d30a62b7ad_000000000000_000000000000`	1

TCP SYN (p0f)

fingerprint	co-occurrences
`4:50+14:0:1460:32768,10:mss,nop,ws,sok,ts::0`	31
`4:49+15:0:1460:32768,10:mss,nop,ws,sok,ts::0`	28
`4:119+9:0:1452:65535,8:mss,nop,ws,nop,nop,sok:df,id+:0`	21
`4:47+17:0:1240:65535,10:mss,sok,ts,nop,ws:df,id+:0`	12
`4:54+10:0:1460:32768,10:mss,nop,ws,sok,ts::0`	12
`4:53+11:0:1240:65535,10:mss,sok,ts,nop,ws:df,id+:0`	11
`4:50+14:0:1460:mss*29,11:mss,nop,nop,sok,nop,ws:df,id+:0`	9
`4:119+9:0:1452:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:0`	8
`4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	7
`4:53+11:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:0`	7

TCP SYN (JA4T)

fingerprint	co-occurrences
`32768_2-1-3-4-8_1460_10`	75
`64240_2-4-8-1-3_1460_7`	47
`65535_2-1-3-1-1-4_1452_8`	29
`65535_2-1-3-1-1-4_1440_8`	22
`65535_2-4-8-1-3_1240_10`	22
`65535_2-4-8-1-3_1460_10`	13
`64240_2-4-8-1-3_1452_7`	11
`64240_2-1-3-1-1-4_1452_8`	11
`65535_2-4-8-1-3_1452_6`	10
`64800_2-4-8-1-3_1440_7`	9

User-Agent

fingerprint	co-occurrences
`curl/7.88.1`	144
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0 Safari/537.36`	90
`curl/7.81.0`	28
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36`	27
`TelegramBot (like TwitterBot)`	23
`Mozilla/5.0 (Linux; Android 6.0.1; F-01J Build/V17R048B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36`	11
`Mozilla/5.0 (Linux; Android 9; vivo 1904) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.36`	10
`Mozilla/5.0 (Linux; Android 7.0; MHA-L09) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.36`	10
`Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.6943.16 Safari/537.36 TestLocally/1.0`	9
`Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; MRSPUTNIK 2, 4, 0, 460; GTB7.2; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)`	9

Country

fingerprint	co-occurrences
`RU` · Russia	142
`DE` · Germany	139
`NL` · Netherlands	107
`US` · United States	42
`BR` · Brazil	9
`SE` · Sweden	7
`IT` · Italy	6
`GB` · United Kingdom	5
`SG` · Singapore	3
`FR` · France	3

Network (ASN)

fingerprint	co-occurrences
`AS12389` · PJSC Rostelecom	81
`AS215125` · Church of Cyberology	75
`AS3320` · Deutsche Telekom AG	55
`AS3209` · Vodafone GmbH	44
`AS25159` · PJSC MegaFon	29
`AS62041` · Telegram Messenger Inc	23
`AS35807` · SkyNet Ltd.	12
`AS29226` · JSC Mastertel	12
`AS60729` · Stiftung Erneuerbare Freiheit	11
`AS6805` · Telefonica Germany GmbH & Co.OHG	9

TLS supported groups

fingerprint	co-occurrences
`001d,0017,001e,0019,0018`	62
`001d,0017,001e,0019,0018,0100,0101,0102,0103,0104` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog.	25