TCP SYN (JA4T)
62720_2-1-3-1-1-4_1460_8
first seen 2026-07-29 17:23 · last seen 2026-09-10 18:24 · JSON
Last 7 days (43 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
TCP window 62720
Option kinds 2-1-3-1-1-4
MSS 1460
Window scale 8
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)
HTTP request (JA4H)
TCP SYN (p0f)
fingerprint co-occurrences
4:106+22:0:1460:62720,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0140
4:118+10:0:1460:62720,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:043
4:120+8:0:1460:62720,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:032
4:114+14:0:1460:62720,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:03
4:119+9:0:1460:62720,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:03
User-Agent
fingerprint co-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Safari/605.1.157
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Safari/605.1.157
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.157
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.367
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.366
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.366
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.366
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.366
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Safari/537.366
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.156
Country
fingerprint co-occurrences
AE · United Arab Emirates 140
JP · Japan 46
SG · Singapore 35
Network (ASN)
fingerprint co-occurrences
AS31898 · Oracle Corporation 221