TCP SYN (p0f)

4:55+9:0:1460:32768,10:mss,nop,ws,sok,ts::0

first seen 2026-09-15 15:53 · last seen 2026-09-15 15:53 · JSON

Last 7 days (1 observations)

Distinct clients per day (last 30 days, peak 1/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 TTL55+9
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_1b3407e2c9361

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr030000_ff50983941c1_000000000000_0000000000001

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.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
32768_2-1-3-4-8_1460_101

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 7.0; BRAVIS X500) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.117 Mobile Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS215125 · Church of Cyberology1