TLS ClientHello (JA4)

t13d2014h2_a09f3c656075_e42f34c56612

first seen 2026-06-11 07:17 · last seen 2026-09-15 17:34 · JSON

Last 7 days (36 observations)

Distinct clients per day (last 30 days, peak 19/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 count20
Extension count14
ALPNh2
Ciphers000a, 002f, 0035, 009c, 009d, 1301, 1302, 1303, c008, c009, c00a, c012, c013, c014, c02b, c02c, c02f, c030, cca8, cca9
Extensions0005, 000a, 000b, 000d, 0012, 0015, 0017, 001b, 002b, 002d, 0033, ff01
Signature algorithms0403, 0804, 0401, 0503, 0805, 0805, 0501, 0806, 0601, 0201
JA4_rt13d2014h2_000a,002f,0035,009c,009d,1301,1302,1303,c008,c009,c00a,c012,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0015,0017,001b,002b,002d,0033,ff01_0403,0804,0401,0503,0805,0805,0501,0806,0601,0201
JA4_o (sample)t13d2014h2_de3eb69493ac_b9c16f732f1a
JA4_ro (sample)t13d2014h2_1301,1302,1303,c02c,c02b,cca9,c030,c02f,cca8,c00a,c009,c014,c013,009d,009c,0035,002f,c008,c012,000a_0000,0017,ff01,000a,000b,0010,0005,000d,0012,0033,002d,002b,001b,0015_0403,0804,0401,0503,0805,0805,0501,0806,0601,0201

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)

fingerprintco-occurrences
ge20nn08enus_1945e0741196_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2.The fingerprint page shows the full measured match list. More on the catalog.106
ge20nr08enus_1945e0741196_000000000000_00000000000031
ge20nn09enus_d96ac90dfa13_000000000000_00000000000014
ge20nr08zhcn_0a5873f4dd2b_000000000000_0000000000005
ge20nr07zhcn_0195bc40dc9f_000000000000_0000000000005
ge20nr08enus_0a5873f4dd2b_000000000000_0000000000005
ge20nr07enus_0195bc40dc9f_000000000000_0000000000005
ge20nn030000_ff50983941c1_000000000000_0000000000004
ge20nr09enus_5ad46a65401a_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3
ge20nn07enus_39faa4ed05e7_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;3:100;4:2097152;9:1|10420225|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.135
2:0;3:100;4:2097152;8:1;9:1|10420225|1:0:0:256|m,s,a,p13
2:0;4:2097152;3:100|10485760|0|m,s,p,a13
2:0;3:100;4:2097152;8:1;9:1|10420225|0|m,s,a,p12
2:0;4:2097152;3:100|10485760|1:0:0:255|m,s,p,a7
2:0;4:2097152;5:16384;6:16384|10420225|0|m,s,a,p6
2:0;3:100;4:2097152;9:1|10420225|1:0:0:256|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2.The fingerprint page shows the full measured match list. More on the catalog.5
2:0;4:2097152;3:100|10485760|7:0:0:255|m,s,p,a2
2:0;4:2097152;3:100|10485760|9:0:0:255|m,s,p,a2
2:0;4:2097152;3:100|10485760|11:0:0:255|m,s,p,a2

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1380:mss*47,10:mss,sok,ts,nop,ws:df,id+:029
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:011
4:56+8:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:011
4:51+13:0:1460:65535,11:mss,sok,ts,nop,ws:df,id+:010
4:51+13:0:1452:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df:09
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:07
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:06
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:06
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:55+9:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:05

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_758
64860_2-4-8-1-3_1380_1029
65535_2-1-3-1-1-8-4-0-0_1452_615
65535_2-4-8-1-3_1460_1111
65535_2-4-8-1-3_1412_610
64800_2-4-8-1-3_1440_77
65535_2-4-8-1-3_1460_66
65535_2-4-8-1-3_1400_65
65535_2-4-8-1-3_1440_65
65535_2-1-3-1-1-8-4-0-0_1343_65

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.2 Safari/605.1.15109
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Safari/605.1.1515
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1 Brave13
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Safari/605.1.159
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/150.0.7871.113 Mobile/15E148 Safari/604.19
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.157
Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.16
Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Mobile/15E148 Safari/604.15
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.6.1 Safari/605.1.154
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.153

Country

fingerprintco-occurrences
US · United States58
CY · Cyprus29
BR · Brazil27
MA · Morocco13
HK · Hong Kong SAR China11
CN · China7
GB · United Kingdom5
SE · Sweden5
CA · Canada4
SG · Singapore3

Network (ASN)

fingerprintco-occurrences
AS57169 · EDIS GmbH29
AS212238 · Datacamp Limited12
AS36903 · Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM11
AS23961 · Misaka Network, Inc.11
AS210906 · UAB Bite Lietuva8
AS3257 · GTT Communications Inc.7
AS203020 · HostRoyale Technologies Pvt Ltd7
AS21554 · Wisconsin CyberLynk Network, Inc.6
AS22773 · Cox Communications Inc.5
AS9009 · M247 Europe SRL5

Cross-transport links

TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).

fingerprintlinked observations
q13d0311h3_55b375c5d22e_f2a83c8e78ae10