TCP SYN (p0f)

4:47+17:0:1368:64860,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-25 10:59 · last seen 2026-08-30 12:26 · JSON

Decomposed attributes

IP version4
Initial TTL47+17
Options length0
MSS1368
Window size64860
Window scale9
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
t13d1712h2_5b57614c22b0_ef7df7f74e4888
t13d1713h2_5b57614c22b0_02c8e53ee39821
t13d1712h2_5b57614c22b0_d5fe2c511efa5

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn060000_ae91ff777030_000000000000_000000000000104
ge20nn070000_f327ee591e3a_000000000000_0000000000008
ge20nn07enus_bba0b359f971_000000000000_0000000000001
ge20nn06enus_32386ca2063f_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;1:4096;8:0;3:1024;4:1048576|25100289|0|a,p,m,s114

TCP SYN (JA4T)

fingerprintco-occurrences
64860_2-4-8-1-3_1368_9104

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.0; +https://openai.com/searchbot112
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot2

Country

fingerprintco-occurrences
US · United States114

Network (ASN)

fingerprintco-occurrences
AS8075 · Microsoft Corporation114