TCP SYN (p0f)

4:122+6:0:1412:65535,8:mss,sok,ts,nop,ws::0

first seen 2026-07-25 07:39 · last seen 2026-07-31 10:30 · JSON

Decomposed attributes

IP version4
Initial TTL122+6
Options length0
MSS1412
Window size65535
Window scale8
Options layoutmss,sok,ts,nop,ws
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
t13d181300_e8a523a41297_43ade6aba3df6

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn080000_6b4f92f3c7df_000000000000_0000000000003
ge11nn050000_c727097c2f59_000000000000_0000000000002
ge11nn040000_51be388b7c20_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1412_86

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)2
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.7871.128 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)2
GoogleOther1
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.7871.186 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)1

Country

fingerprintco-occurrences
US · United States6

Network (ASN)

fingerprintco-occurrences
AS15169 · Google LLC6