User-Agent

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0

first seen 2026-08-14 10:38 · last seen 2026-10-31 17:18 · 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

Browser / clientFirefox 125.0
Operating systemLinux x86_64
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
t13d251100_b78ed14e2fd0_ab7e3b40a6773
t12d130600_2d7513195f68_e51b7354d87f2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_e1d2031bdfea_000000000000_0000000000002
ge11nr050000_57c5e92682a8_000000000000_0000000000001
ge11nn050000_57c5e92682a8_000000000000_0000000000001
ge11nr05en00_f3bb7aa45ec4_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:37+27:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1460:mss*29,9:mss,nop,ws:df,id+:01
6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:01
6:53+11:0:1440:mss*30,9:mss,nop,ws:flow:01
4:51+13:0:1460:mss*29,13:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_71
64800_2-4-8-1-3_1440_71
42340_2-4-8-1-3_1460_131
43200_2-1-3_1440_91
42340_2-1-3_1460_91

Country

fingerprintco-occurrences
US · United States2
NL · Netherlands1
ID · Indonesia1
UZ · Uzbekistan1

Network (ASN)

fingerprintco-occurrences
AS6939 · Hurricane Electric LLC2
AS48090 · TECHOFF SRV LIMITED1
AS58487 · CV. Rumahweb Indonesia1
AS202660 · "Uzbektelekom" Joint Stock Company1

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.1