TCP SYN (p0f)

4:48+16:0:1460:32768,10:mss,nop,ws,sok,ts::0

first seen 2026-10-03 17:13 · last seen 2026-10-03 17:13 · JSON

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 TTL48+16
Options length0
MSS1460
Window size32768
Window scale10
Options layoutmss,nop,ws,sok,ts
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
t13d3113h2_e8f1e7e78f70_1b3407e2c9363

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr020000_5594a17e7e7e_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:33554432;2:0|33488897|0|m,p,s,a Match?Exact match in Thumbprint's published controlled catalog captures: php-curl 7.88.1, curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.3

TCP SYN (JA4T)

fingerprintco-occurrences
32768_2-1-3-4-8_1460_103

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 7.0; MHA-L09) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.363

Country

fingerprintco-occurrences
NL · Netherlands3

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology3