User-Agent

Dalvik/2.1.0 (Linux; U; Android 9.0; ZTE BA520 Build/MRA58K)

first seen 2026-06-14 17:36 · last seen 2026-10-31 08:18 · JSON

Last 7 days (8 observations)

Distinct clients per day (last 30 days, peak 3/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

Browser / clientDalvik 2.1.0
Operating systemAndroid 9.0
Device classmobile
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
t12d490600_730fb1b0ac6a_a1e93568279524
t13d4311h1_c7886603b240_7379471da27218
t12d4906h1_730fb1b0ac6a_22a92d800fe44

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn07zhcn_ad6bb88d6320_000000000000_00000000000042
ge11nn06zhcn_2d855731be57_000000000000_0000000000004

TCP SYN (p0f)

fingerprintco-occurrences
4:41+23:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:015
4:34+30:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:09
4:41+23:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:08
4:45+19:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:03
4:48+16:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:02
4:43+21:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:44+20:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:02
4:37+27:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:31+1:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01
4:39+25:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_726
64240_2-4-8-1-3_1460_716

Country

fingerprintco-occurrences
CN · China46

Network (ASN)

fingerprintco-occurrences
AS4837 · CHINA UNICOM China169 Backbone19
AS58461 · CT HangZhou IDC11
AS4811 · China Telecom (Group)11
AS4134 · CHINANET BACKBONE3
AS56046 · China Mobile communications corporation2

TLS supported groups

fingerprintco-occurrences
0017,0019,0018,001611
001d,0017,001e,0019,00184