TCP SYN (p0f)

4:50+14:0:1360:65535,6:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-20 21:46 · last seen 2026-09-09 19:26 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 3/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

IP version4
Initial TTL50+14
Options length0
MSS1360
Window size65535
Window scale6
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
Payload class0

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_58ed7828516f9
t13d1515h1_8daaf6152771_0a20fe35d3a57
t13d1515h1_8daaf6152771_de4a06bb82e35

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.9
ge11nn14enus_4a2973d235de_000000000000_0000000000006
ge11nn13enus_9db22d02e17a_000000000000_0000000000006

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1360_621

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.361
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.104 Safari/537.361

Country

fingerprintco-occurrences
DZ · Algeria5
BR · Brazil4
UA · Ukraine2
IR · Iran1
RU · Russia1
TR · Turkey1
AR · Argentina1
MA · Morocco1
VE · Venezuela1
UY · Uruguay1

Network (ASN)

fingerprintco-occurrences
AS36947 · Telecom Algeria5
AS15895 · Kyivstar PJSC2
AS11664 · Techtel LMDS Comunicaciones Interactivas S.A.1
AS36884 · Wana Corporate1
AS27889 · Telecomunicaciones MOVILNET1
AS58224 · Iran Telecommunication Company PJS1
AS201550 · Syrian Telecommunication Private Closed Joint Stock Company1
AS208324 · Noor Al-Bedaya for General Trading, agricultural investments, Technical production and distribution, internet services, general services, Information technology and software Ltd1
AS30985 · Orange Mali SA1
AS216472 · High Speed For Internet Services L.L.C1