User-Agent

grpcurl/dev-build (no version set) grpc-go/1.48.0

first seen 2026-06-11 12:43 · last seen 2026-06-11 12:43 · JSON

Decomposed attributes

Browser / clientgrpcurl dev-build
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
t13i1909h2_9dc949149365_97f8aa674fd91

HTTP request (JA4H)

fingerprintco-occurrences
po20nn040000_f60e6ebff6de_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
0|00|0|m,s,p,a1

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

Country

fingerprintco-occurrences
JP · Japan1

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.1