User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

first seen 2026-06-30 16:16 · last seen 2026-09-15 22:44 · JSON

Last 7 days (4 observations)

Distinct clients per day (last 30 days, peak 2/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 126.0
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
t13d151100_8daaf6152771_ab7e3b40a67752
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.3
t13d1812h1_85036bcba153_b26ce05bbdd62
t13d1312h2_a44d0ee8b3cc_e381dae6da6b2
t13d311100_e8f1e7e78f70_24695f2957a71
t13d3014h1_1d37bd780c83_5ae85263eb3b1
t13d1812h1_85036bcba153_d41ae481755e1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr41dede_fd8eed19052c_000000000000_0000000000005
ge11nr34dede_ee7234eb47b7_000000000000_0000000000004
ge11nr33dede_83ed8b88bd45_000000000000_0000000000004
ge11nr41dede_c0fe3e80018a_000000000000_0000000000004
ge11nr33dede_bbfdbeea19bc_000000000000_0000000000004
ge11nr34dede_18fc57659902_000000000000_0000000000003
ge11nr40dede_4d2a4bd3cdc8_000000000000_0000000000003
ge11nr39dede_229f6e8f6ea8_000000000000_0000000000003
ge11nr40dede_f77e8c658148_000000000000_0000000000003
ge11nr35dede_34e0270fbbac_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;3:1;4:8388608;5:65536|8323073|0|m,s,a,p2

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:034
4:54+10:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:013
4:55+9:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:05
4:56+8:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:02
4:46+18:0:1440:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1440:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:58+6:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:01
4:120+8:0:1460:62727,9:mss,sok,ts,nop,ws:df,id+:01
4:51+13:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:01
4:120+8:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1134
42340_2-4-8-1-3_1460_918
64240_2-4-8-1-3_1440_102
65535_2-4-8-1-3_1460_132
64240_2-4-8-1-3_1460_102
65535_2-4-8-1-3_1460_91
62727_2-4-8-1-3_1460_91
65535_2-1-3-1-1-4_1460_81
65535_2-4-8-1-3_1412_61

Country

fingerprintco-occurrences
NL · Netherlands34
US · United States23
SG · Singapore1
BR · Brazil1
GB · United Kingdom1
BE · Belgium1
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED34
AS150303 · SoloRDP12
AS142430 · DIGI VPS6
AS8075 · Microsoft Corporation2
AS212238 · Datacamp Limited2
AS13335 · Cloudflare, Inc.2
AS16509 · Amazon.com, Inc.1
AS31898 · Oracle Corporation1
AS54113 · Fastly, Inc.1
AS262893 · P4 TELECOM LTDA1