TCP SYN (p0f)

4:48+16:0:1410:mss*30,12:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-01 14:56 · last seen 2026-07-01 14:56 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1410
Window sizemss*30
Window scale12
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
t13d5911h1_a33745022dd6_1f22a2ca17c4 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 23.11.1.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
he11nn07*000_fd87022947da_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
42300_2-4-8-1-3_1410_121

User-Agent

fingerprintco-occurrences
LivelapBot/0.2 (http://site.livelap.com/crawler)1

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS1136 · KPN B.V.1