User-Agent

Mozilla/5.0 (Windows NT 10.0; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0

first seen 2026-06-13 19:59 · last seen 2026-07-21 05:31 · JSON

Decomposed attributes

Browser / client	`Firefox 48.0`
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
`t13d1812h1_85036bcba153_b26ce05bbdd6`	9
`t13d3112h1_e8f1e7e78f70_8d633dac7124` Match?Exact match in Thumbprint's published controlled catalog captures: curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.	2

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn040000_608e01151bf4_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.	7
`ge11nn050000_b223a0ebb0b5_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.	2
`ge11nn060000_80ba99a9af22_000000000000_000000000000`	2

TCP SYN (p0f)

fingerprint	co-occurrences
`4:119+9:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	2
`4:111+17:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	2
`4:112+16:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:108+20:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:107+21:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:110+18:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:109+19:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:115+13:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1
`4:116+12:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-1-3-1-1-4_1460_8`	4

Country

fingerprint	co-occurrences
`HK` · Hong Kong SAR China	11

Network (ASN)

fingerprint	co-occurrences
`AS45753` · Netsec Limited	9
`AS153656` · OWGELS INTERNATIONAL CO., LIMITED	2