User-Agent

Mozilla/5.0 (compatible; YandexFavicons/1.0; +http://yandex.com/bots)

first seen 2026-07-04 00:01 · last seen 2026-09-29 14:01 · JSON

Decomposed attributes

Browser / clientYandexFavicons 1.0
Device classbot
Declared URLhttp://yandex.com/bots
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

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
t13d3112h2_e8f1e7e78f70_8d633dac7124 Match?Exact match in Thumbprint's published controlled catalog captures: curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.5

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn040000_31537f9be9e0_000000000000_0000000000005

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.5

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1410:mss*30,8:mss,sok,ts,nop,ws,?34,nop,nop::04
4:43+21:0:1410:mss*30,8:mss,sok,ts,nop,ws,?34,nop,nop::01

TCP SYN (JA4T)

fingerprintco-occurrences
42300_2-4-8-1-3-34-1-1_1410_85

Country

fingerprintco-occurrences
RU · Russia5

Network (ASN)

fingerprintco-occurrences
AS13238 · YANDEX LLC5