TLS ClientHello (JA4)

t13d1514h2_8daaf6152771_a5b99884f7f5

first seen 2026-07-01 14:45 · last seen 2026-10-31 21:16 · JSON

Last 7 days (1 observations)

Distinct clients per day (last 30 days, peak 1/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

Protocolt (TLS over TCP)
TLS version13
SNId (domain)
Cipher count15
Extension count14
ALPNh2
Ciphers002f, 0035, 009c, 009d, 1301, 1302, 1303, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0011, 0017, 0023, 002b, 002d, 0032, 0033, ff01
Signature algorithms0403, 0503, 0603, 0807, 0808, 0804, 0805, 0806, 0809, 080a, 080b, 0401, 0501, 0601, 0402, 0303, 0301, 0302, 0203, 0201, 0202
JA4_rt13d1514h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0011,0017,0023,002b,002d,0032,0033,ff01_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302,0203,0201,0202
JA4_o (sample)t13d1514h2_d5a685565058_7a501979dde8
JA4_ro (sample)t13d1514h2_1302,1301,1303,c02c,c02b,cca9,c030,cca8,c02f,c014,c013,009d,009c,0035,002f_0000,0005,000a,000b,0010,0011,0017,0023,000d,002b,002d,0032,0033,ff01_0403,0503,0603,0807,0808,0804,0805,0806,0809,080a,080b,0401,0501,0601,0402,0303,0301,0302,0203,0201,0202

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)

fingerprintco-occurrences
ge20nn030000_ce733c3c54ce_000000000000_00000000000015
ge20nn030000_ff50983941c1_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
4:16777216|16711681|0|m,p,a,s16

TCP SYN (p0f)

fingerprintco-occurrences
4:54+10:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:55+9:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_715
64240_2-4-8-1-3_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:82.0) Gecko/20100101 Firefox/82.03
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.153
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; Zoom 3.6.0; rv:11.0) like Gecko2
Mozilla/5.0 (compatible; RssArchiver/1.0; +https://rssarchiver.thesocle.net)1
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:82.0) Gecko/20100101 Firefox/82.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 Edg/86.0.622.511

Country

fingerprintco-occurrences
US · United States11
FR · France4
DE · Germany1

Network (ASN)

fingerprintco-occurrences
AS174 · Cogent Communications, LLC5
AS62874 · Web2Objects LLC2
AS46261 · QuickPacket, LLC2
AS10557 · Connect Northwest Internet Services, LLC2
AS16276 · OVH SAS1
AS20278 · Nexeon Technologies, Inc.1
AS394474 · WhiteLabelColo1
AS201341 · trafficforce, UAB1
AS19084 · ColoUp1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018,0019,001e,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: java-httpclient 17.0.19, java-httpclient 11.0.31, java-urlconnection 17.0.19, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3