TCP SYN (p0f)

4:48+16:0:1360:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,id+:0

first seen 2026-09-19 16:06 · last seen 2026-11-01 09:38 · JSON

Last 7 days (5 observations)

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1360
Window size65535
Window scale6
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
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
t13d2013h1_a09f3c656075_7f0f34a4126d2
t13d1517h1_8daaf6152771_cb7bf5808d992
t13d3013h2_1d37bd780c83_8537cf56674e Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.18.0.The fingerprint page shows the full measured match list. More on the catalog.1
t13d2613h1_2802a3db6c62_845d286b0d671

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn06enus_0e5d97bc8ad6_000000000000_0000000000003
ge11nn09enus_50eb7b704694_000000000000_0000000000002
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1360_66

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 26_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Safari/605.1.152
curl/8.21.01
Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.11

Country

fingerprintco-occurrences
IT · Italy5
FR · France1

Network (ASN)

fingerprintco-occurrences
AS16232 · Telecom Italia S.p.A.5
AS212238 · Datacamp Limited1

TLS supported groups

fingerprintco-occurrences
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.2
0a0a,11ec,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: urlsession 6.3.3, safari 26.6.2.The fingerprint page shows the full measured match list. More on the catalog.2
0a0a,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: urlsession 6.1.2, safari 27.2.The fingerprint page shows the full measured match list. More on the catalog.1