TLS ClientHello (JA4)

t13i190800_9dc949149365_97f8aa674fd9

first seen 2026-06-11 02:33 · last seen 2026-09-15 11:08 · JSON

Last 7 days (30 observations)

Distinct clients per day (last 30 days, peak 6/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	`i (no SNI / IP)`
Cipher count	`19`
Extension count	`8`
ALPN	`00`
Ciphers	`000a, 002f, 0035, 009c, 009d, 1301, 1302, 1303, c009, c00a, c012, c013, c014, c02b, c02c, c02f, c030, cca8, cca9`
Extensions	`0005, 000a, 000b, 000d, 0012, 002b, 0033, ff01`
Signature algorithms	`0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603, 0201, 0203`
JA4_r	`t13i190800_000a,002f,0035,009c,009d,1301,1302,1303,c009,c00a,c012,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,002b,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603,0201,0203`
JA4_o (sample)	`t13i190800_f2ce2cda000b_9004777174f5`
JA4_ro (sample)	`t13i190800_cca8,cca9,c02f,c030,c02b,c02c,c013,c009,c014,c00a,009c,009d,002f,0035,c012,000a,1303,1301,1302_0005,000a,000b,000d,ff01,0012,002b,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
`ge11nr040000_e1d2031bdfea_000000000000_000000000000`	175
`ge11nr040000_88d30a62b7ad_000000000000_000000000000`	22
`ge11nn040000_209bf58f7e8c_000000000000_000000000000`	14
`ge11nn040000_88d30a62b7ad_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.25.0.The fingerprint page shows the full measured match list. More on the catalog.	6
`ge11nn020000_3ed38b250d3d_000000000000_000000000000`	2
`ge11nn030000_042112399351_000000000000_000000000000`	2

TCP SYN (p0f)

fingerprint	co-occurrences
`4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	70
`4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	61
`4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	29
`4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	11
`4:45+19:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	8
`4:46+18:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	8
`4:50+14:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	7
`4:53+11:0:1460:mss*22,7:mss,sok,ts,nop,ws:df,id+:0`	4
`4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	3
`4:45+19:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	3

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-4-8-1-3_1460_7`	141
`64240_2-4-8-1-3_1440_7`	31
`64800_2-4-8-1-3_1440_7`	1

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (compatible; ModatScanner/1.2; +https://modat.io/)`	138
`Mozilla/5.0 zgrab/0.x`	31
`Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 ModatScanner/1.2 (+https://modat.io/)`	29
`Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)`	3
`-`	2
`curl/7.68.0`	2
`Opera/9.80 (Android; Opera Mini/42.0.2254/150.36; U; en) Presto/2.12.423 Version/12.16`	1
`Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)`	1
`MOTORIZR-Z8/46.00.00 Mozilla/4.0 (compatible; MSIE 6.0; Symbian OS; 356) Opera 8.65 [it] UP.Link/6.3.0.0.0`	1
`Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.9 Safari/536.5`	1

Country

fingerprint	co-occurrences
`CA` · Canada	137
`US` · United States	34
`NL` · Netherlands	22
`FR` · France	22
`DE` · Germany	2
`NO` · Norway	2
`HK` · Hong Kong SAR China	1
`GB` · United Kingdom	1

Network (ASN)

fingerprint	co-occurrences
`AS209334` · Modat B.V.	159
`AS8075` · Microsoft Corporation	31
`AS214940` · KPROHOST LLC	10
`AS201401` · NewVM B.V.	8
`AS48090` · TECHOFF SRV LIMITED	4
`AS209630` · LLC VASH KREDIT BANK	2
`AS50304` · Blix Solutions AS	2
`AS398324` · Censys, Inc.	2
`AS398722` · Censys, Inc.	1
`AS50219` · Valence Technology Co.	1