TCP SYN (p0f)

4:46+18:0:1380:65535,6:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-05 14:08 · last seen 2026-09-11 14:07 · JSON

Last 7 days (1 observations)

Distinct clients per day (last 30 days, peak 5/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 TTL46+18
Options length0
MSS1380
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_58ed7828516f12
t13d1515h1_8daaf6152771_0a20fe35d3a510
t13d1515h1_8daaf6152771_de4a06bb82e39
t13d1516h1_8daaf6152771_1a63afa7c4782

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_00000000000015
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.12
ge11nn14enus_4a2973d235de_000000000000_0000000000006

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1380_633

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.363
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.363
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
KW · Kuwait12
IQ · Iraq9
EG · Egypt3
AR · Argentina2
NL · Netherlands1
BR · Brazil1
BG · Bulgaria1
MX · Mexico1
KZ · Kazakhstan1
CO · Colombia1

Network (ASN)

fingerprintco-occurrences
AS47589 · Kuwait Telecommunications Company K.S.C.C.12
AS59588 · Al Atheer Telecommunication-Iraq Co. Ltd. Incorporated in Cayman Islands8
AS8452 · TE-AS3
AS52465 · WNet Internet y Hosting2
AS12876 · Scaleway SAS1
AS8866 · Vivacom Bulgaria EAD1
AS51684 · ASIACELL COMMUNICATIONS PJSC1
AS265594 · Television Internacional, S.A. de C.V.1
AS264910 · Alaife Corporation LTDA1
AS26611 · COMUNICACIÓN CELULAR S.A. COMCEL S.A.1