TCP SYN (p0f)

6:53+11:0:1230:mss*45,8:mss,nop,ws,nop,nop,sok:flow:0

first seen 2026-08-16 11:35 · last seen 2026-09-13 00:00 · JSON

Last 7 days (1 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

IP version6
Initial TTL53+11
Options length0
MSS1230
Window sizemss*45
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
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
t12d210700_76e208dd3e22_2dae41c691ec1
t12d190800_d83cc789557e_7af1ed941c261

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn12enus_d9dcce99a5ac_000000000000_0000000000001
po11nn07enin_7d361e250c48_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-1-3-1-1-4_1230_82

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36 Edg/149.0.0.01
Jetpack by WordPress.com1

Country

fingerprintco-occurrences
IN · India2

Network (ASN)

fingerprintco-occurrences
AS24560 · Bharti Airtel Ltd., Telemedia Services2