User-Agent

Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36

first seen 2026-07-20 04:59 · last seen 2026-07-30 14:32 · JSON

Decomposed attributes

Browser / clientChrome 66.0.3359.117
Operating systemWindows 6.1
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
t13d4412h1_fd39b124ee10_58ed7828516f49

HTTP request (JA4H)

fingerprintco-occurrences
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.49

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:04
4:46+18:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:03
4:45+19:0:1452:mss*4,4:mss,sok,ts,nop,ws:df,id+:03
4:49+15:0:1400:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:50+14:0:1412:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:46+18:0:1400:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:50+14:0:1412:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1448:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:46+18:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1412_611
65535_2-4-8-1-3_1452_68
65535_2-4-8-1-3_1400_66
5808_2-4-8-1-3_1452_45
65535_2-4-8-1-3_1440_63
64240_2-4-8-1-3_1440_73
65535_2-4-8-1-3_1452_102
64240_2-4-8-1-3_1412_71
65535_2-4-8-1-3_1448_61
64240_2-4-8-1-3_1460_71

Country

fingerprintco-occurrences
BR · Brazil9
VN · Vietnam7
PK · Pakistan7
AR · Argentina3
KE · Kenya3
IQ · Iraq3
MX · Mexico2
ZA · South Africa2
UA · Ukraine1
TR · Turkey1

Network (ASN)

fingerprintco-occurrences
AS45899 · VNPT Corp6
AS33771 · Safaricom Limited3
AS17557 · Pakistan Telecommunication Company Limited2
AS7552 · Viettel Group1
AS8167 · V tal1
AS27699 · TELEFÔNICA BRASIL S.A1
AS8452 · TE-AS1
AS30689 · FLOW1
AS9541 · Cyber Internet Services (Pvt) Ltd.1
AS24757 · Ethio Telecom1