User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0.1

first seen 2026-07-06 10:12 · last seen 2026-07-06 20:33 · JSON

Decomposed attributes

Browser / client	`Firefox 150.0.1`
Operating system	`Windows 10.0`
Device class	`desktop`
Note	`inferred 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)

fingerprint	co-occurrences
`t13d1617h2_86a278354501_3cbfd9057e0d` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 152.0.3, +10 more.The fingerprint page shows the full measured match list. More on the catalog.	23

HTTP request (JA4H)

fingerprint	co-occurrences
`ge20nr10enus_b3034183f430_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +21 more.The fingerprint page shows the full measured match list. More on the catalog.	17
`ge20nn11enus_3901d4197baf_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 153.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.	6

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:131072;5:16384\|12517377\|3:0:0:22\|m,p,a,s` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog.	12
`1:65536;2:0;4:131072;5:16384\|12517377\|3:0:0:42\|m,p,a,s` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.	6
`1:65536;2:0;4:131072;5:16384\|12517377\|5:0:0:22\|m,p,a,s` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 154.0, firefox 153.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog.	5

TCP SYN (p0f)

fingerprint	co-occurrences
`4:44+20:0:1356:mss*11,4:mss,sok,ts,nop,ws:id-:0`	4
`4:43+21:0:1368:mss*5,3:mss,sok,ts,nop,ws:df,id+:0`	4
`4:46+18:0:1460:mss*5,3:mss,sok,ts,nop,ws:df,id+:0`	4
`4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	4
`4:47+17:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:0`	2
`4:115+13:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:0`	2
`4:45+19:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:0`	1
`4:114+14:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:0`	1
`4:111+17:0:1400:65535,8:mss,nop,ws,nop,nop,sok:df,id+:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`16060_2-4-8-1-3_1356_4`	4
`7300_2-4-8-1-3_1460_3`	4
`64240_2-4-8-1-3_1460_7`	4
`65535_2-1-3-1-1-4_1400_8`	4
`7300_2-4-8-1-3_1368_3`	4
`65535_2-4-8-1-3_1460_8`	3

Country

fingerprint	co-occurrences
`US` · United States	19
`DZ` · Algeria	4

Network (ASN)

fingerprint	co-occurrences
`AS701` · Verizon Business	4
`AS12271` · Charter Communications Inc	4
`AS6167` · Verizon Business	4
`AS21928` · T-Mobile USA, Inc.	4
`AS36947` · Telecom Algeria	4
`AS399007` · East Mississippi Connect, LLC	3