TCP SYN (p0f)

4:39+25:0:1424:mss*20,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-11 05:52 · last seen 2026-06-20 18:12 · JSON

Decomposed attributes

IP version4
Initial TTL39+25
Options length0
MSS1424
Window sizemss*20
Window scale7
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
t13d131100_f57a46bbacb6_e5728521abd422
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.11

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn08zhcn_bd35aedc6348_000000000000_00000000000019
ge11nr08zhcn_bd35aedc6348_000000000000_00000000000014

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.133

Country

fingerprintco-occurrences
SG · Singapore21
HK · Hong Kong SAR China11
ID · Indonesia1

Network (ASN)

fingerprintco-occurrences
AS132203 · Tencent Building, Kejizhongyi Avenue33