User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0

first seen 2026-09-21 04:59 · last seen 2026-10-23 05:15 · JSON

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

Browser / clientFirefox 130.0
Operating systemWindows 10.0
Device classdesktop
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

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.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d311100_e8f1e7e78f70_d41ae481755e Match?Exact match in Thumbprint's published controlled catalog captures: rust-hyper 1.11.1, rust-hyper 1.11.0, rust-hyper 1.12.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.2
t13d1312h2_f57a46bbacb6_f50d94e863eb Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.0, go-net/http 1.27.3, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_177aea7101ae_000000000000_0000000000003
ge20nn04enus_a1e84a948d10_000000000000_0000000000001
ge11cn190000_678f5bad0f91_464bf67f72dd_3bc0668b733e1
ge11cn180000_ec1d14b44782_464bf67f72dd_ed99f5e0a4631

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:1048576;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.0, go-net/http 1.27.3, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:53+11:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:121+7:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01
4:123+5:0:1460:62727,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_74
64240_2-1-3-1-1-4_1460_81
62727_2-1-3-1-1-4_1460_81

Country

fingerprintco-occurrences
SG · Singapore3
AU · Australia1
US · United States1
KR · South Korea1

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.3
AS16509 · Amazon.com, Inc.2
AS4766 · Korea Telecom1

TLS supported groups

fingerprintco-occurrences
11ec,11eb,11ed,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.3, go-net/http 1.26.10.The fingerprint page shows the full measured match list. More on the catalog.2
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.3.1, curl 7.88.1, curl 8.13.0, +10 more.The fingerprint page shows the full measured match list. More on the catalog.1