User-Agent

Mozilla/5.0 (X11; Linux x86_64; rv:115.0) Gecko/20100101 Firefox/115.0

first seen 2026-10-19 06:58 · last seen 2026-10-29 18:51 · JSON

Last 7 days (2 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 115.0
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
t13d181100_85036bcba153_d41ae481755e2
t13i250900_b78ed14e2fd0_e7c2852226511

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_e1d2031bdfea_000000000000_0000000000002
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:57+7:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:02
4:54+10:0:1460:mss*29,10:mss,nop,nop,sok,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_122
42340_2-1-1-4-1-3_1460_101

Country

fingerprintco-occurrences
NL · Netherlands3

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED2
AS62005 · BlueVPS OU1

TLS supported groups

fingerprintco-occurrences
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.2
6399,001d,0017,0018,00191