TLS ClientHello (JA4)

t13d1411h2_cbb2034c60b8_e7c285222651

first seen 2026-06-11 10:58 · last seen 2026-10-29 03:17 · JSON

Last 7 days (3 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

Protocol	`t (TLS over TCP)`
TLS version	`13`
SNI	`d (domain)`
Cipher count	`14`
Extension count	`11`
ALPN	`h2`
Ciphers	`1301, 1302, 1303, c009, c00a, c012, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`0005, 000a, 000b, 000d, 0012, 0017, 002b, 0033, ff01`
Signature algorithms	`0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603, 0201, 0203`
JA4_r	`t13d1411h2_1301,1302,1303,c009,c00a,c012,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,002b,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203`
JA4_o (sample)	`t13d1411h2_d6258c3c5426_76bc775a3afc`
JA4_ro (sample)	`t13d1411h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,c012,1301,1302,1303_0000,0005,000a,000b,000d,ff01,0017,0010,0012,002b,0033_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203`

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
`ge20nr020000_fb4f949fd323_000000000000_000000000000`	57
`ge20nr030000_0db47b7d240d_000000000000_000000000000`	4
`ge20nn03en00_e01356d67f74_000000000000_000000000000`	3
`ge20nn03en00_88df97815551_000000000000_000000000000`	3
`ge20nn020000_fb4f949fd323_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.8.The fingerprint page shows the full measured match list. More on the catalog.	1
`ge20nr010000_a510e5066512_000000000000_000000000000`	1
`ge20nn03en00_cfaf626db5d9_000000000000_000000000000`	1

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`2:0;4:4194304;6:10485760\|1073741824\|0\|a,m,p,s` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.	70

TCP SYN (p0f)

fingerprint	co-occurrences
`4:122+6:0:1420:mss*46,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	51
`4:43+21:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:0`	7
`4:109+19:0:1300:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	4
`4:117+11:0:1420:mss*46,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	3
`4:119+9:0:1420:mss*46,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	2
`4:45+19:0:1452:mss*44,10:mss,sok,ts,nop,ws:df,id+:0`	2
`4:52+12:0:1460:mss*44,11:mss,sok,ts,nop,ws:df,id+:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`65320_2-1-3-1-1-4_1420_8`	52
`64240_2-4-8-1-3_1460_10`	7
`64240_2-1-3-1-1-4_1300_8`	4
`64240_2-4-8-1-3_1452_10`	2
`64240_2-4-8-1-3_1460_11`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (compatible; CMS-Checker/1.0; +https://example.com)`	34
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36`	26
`PipericBot/1.0 (+https://piperic.com/bot)`	7
`Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36`	2
`Mozilla/5.0`	1

Country

fingerprint	co-occurrences
`US` · United States	48
`DE` · Germany	7
`NL` · Netherlands	4
`BE` · Belgium	4
`ID` · Indonesia	4
`VN` · Vietnam	2
`TH` · Thailand	1

Network (ASN)

fingerprint	co-occurrences
`AS396982` · Google LLC	56
`AS24940` · Hetzner Online GmbH	7
`AS154896` · CV Griya Cloud Server	4
`AS7552` · Viettel Group	2
`AS56309` · Siamdata Communication Co.,Ltd.	1

TLS supported groups

fingerprint	co-occurrences
`001d,0017,0018,0019` Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog.	11