TCP SYN (p0f)

6:55+9:0:1440:mss*30,10:mss,sok,ts,nop,ws:flow:0

first seen 2026-07-06 04:15 · last seen 2026-09-25 11:24 · JSON

Decomposed attributes

IP version6
Initial TTL55+9
Options length0
MSS1440
Window sizemss*30
Window scale10
Options layoutmss,sok,ts,nop,ws
Quirksflow
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
t13d1712h1_ab0a1bf427ad_882d495ac3814
t13d190900_9dc949149365_97f8aa674fd93

HTTP request (JA4H)

fingerprintco-occurrences
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.4
ge11nn040000_e1d2031bdfea_000000000000_0000000000003

TCP SYN (JA4T)

fingerprintco-occurrences
43200_2-4-8-1-3_1440_107

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)3
Mozilla/5.0 (compatible; SecurityScanner/1.0)3
Mozilla/5.0 (compatible; SecurityScanner/1.0; +https://tokenfaucet.fun)1

Country

fingerprintco-occurrences
SG · Singapore4
HK · Hong Kong SAR China3

Network (ASN)

fingerprintco-occurrences
AS20473 · The Constant Company, LLC4
AS398722 · Censys, Inc.3