User-Agent

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36

first seen 2026-06-14 11:13 · last seen 2026-10-26 08:00 · JSON

Last 7 days (3 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 / clientChrome 49.0.2623.112
Operating systemWindows 6.1
Device classdesktop
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
t13d191000_9dc949149365_e7c28522265181
t13d1911h2_9dc949149365_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog.38
t13d1912h2_9dc949149365_e5728521abd46

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn020000_3ed38b250d3d_000000000000_00000000000081
ge20nn04zhcn_4bdba6e1e609_000000000000_00000000000020
ge20nn04zhcn_6e6dd1d8c348_000000000000_0000000000009
ge20nn04zhcn_000ee8a720b8_000000000000_0000000000007
ge20nn04zhcn_ed9f6fd839a8_000000000000_0000000000005
ge20nn05zhcn_1f5a7b02b952_000000000000_0000000000001
ge20nn05zhcn_e0993cbd136c_000000000000_0000000000001
ge20nn05zhcn_bd07c813a44a_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.44

TCP SYN (p0f)

fingerprintco-occurrences
4:46+18:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:036
4:42+22:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:019
4:46+18:0:1412:mss*1,9:mss,sok,ts,nop,ws:df,id+:011
4:40+24:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:08
4:48+16:0:1460:mss*1,9:mss,sok,ts,nop,ws:df,id+:08
4:43+21:0:1412:mss*1,9:mss,sok,ts,nop,ws:df,id+:08
4:41+23:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:07
4:45+19:0:1412:mss*1,9:mss,sok,ts,nop,ws:df,id+:05
4:47+17:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:03
4:39+25:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:03

TCP SYN (JA4T)

fingerprintco-occurrences
1412_2-4-8-1-3_1412_928
1460_2-4-8-1-3_1460_913

Country

fingerprintco-occurrences
CN · China81
HK · Hong Kong SAR China44

Network (ASN)

fingerprintco-occurrences
AS4837 · CHINA UNICOM China169 Backbone39
AS4134 · CHINANET BACKBONE37
AS135377 · UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED29
AS9465 · AGOTOZ PTE. LTD.15
AS17622 · China Unicom Guangzhou network3
AS137266 · CHINATELECOM Hubei province Wuhan 5G network1
AS17638 · ASN for TIANJIN Provincial Net of CT1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog.6