TLS ClientHello (JA4)

t13d1711h2_5b57614c22b0_5894756fee65

first seen 2026-06-18 23:02 · last seen 2026-10-31 08:23 · JSON

Last 7 days (23 observations)

Distinct clients per day (last 30 days, peak 7/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

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`17`
Extension count	`11`
ALPN	`h2`
Ciphers	`002f, 0035, 009c, 009d, 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`000a, 000b, 000d, 0015, 0017, 002b, 002d, 0033, ff01`
Signature algorithms	`0403, 0804, 0401, 0503, 0805, 0501, 0806, 0601, 0201`
JA4_r	`t13d1711h2_002f,0035,009c,009d,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_000a,000b,000d,0015,0017,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0501,0806,0601,0201`
JA4_o (sample)	`t13d1711h2_bbc337f0a232_22ca6eb93beb`
JA4_ro (sample)	`t13d1711h2_1301,1302,1303,c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0010,000d,0033,002d,002b,0015_0403,0804,0401,0503,0805,0501,0806,0601,0201`

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.

HTTP request (JA4H)

fingerprint	co-occurrences
`ge20nn030000_bf75ddd0bb29_000000000000_000000000000`	623
`he20nn030000_bf75ddd0bb29_000000000000_000000000000`	590
`he20nn040000_8e83c27df1d3_000000000000_000000000000`	57
`ge20nn070000_55881d2ca2c0_000000000000_000000000000`	16
`ge20nn060000_347352663f61_000000000000_000000000000`	6
`he20nn050000_8513cb5c502b_000000000000_000000000000`	3
`ge20nn040000_608e01151bf4_000000000000_000000000000`	3
`he20nn070000_55881d2ca2c0_000000000000_000000000000`	3

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`3:100;4:65536;2:0\|1048510465\|0\|m,s,a,p` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog.	1301

TCP SYN (p0f)

fingerprint	co-occurrences
`4:57+7:0:1420:mss*30,7:mss,sok,ts,nop,ws:df,id+:0`	1297
`4:52+12:0:1420:mss*30,7:mss,sok,ts,nop,ws:df,id+:0`	4

TCP SYN (JA4T)

fingerprint	co-occurrences
`42600_2-4-8-1-3_1420_7`	1295

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0`	1223
`Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; Shap-User/0.1.0`	39
`Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36`	34
`Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ShapBot/0.1.0; +https://parallel.ai/parallel-web-systems-bots`	5

Country

fingerprint	co-occurrences
`US` · United States	1301

Network (ASN)

fingerprint	co-occurrences
`AS396982` · Google LLC	1301

TLS supported groups

fingerprint	co-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.	31