Network (ASN)

AS17621

first seen 2026-07-01 17:34 · last seen 2026-09-03 11:39 · JSON

Distinct clients per day (last 30 days, peak 4/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

Network nameChina Unicom Shanghai network
Domainchinaunicom.cn

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
t12d1310h2_8b80da21ef18_e69ac49eb88f6
t13d4312h1_c7886603b240_b26ce05bbdd62
t13d2013h2_a09f3c656075_7f0f34a4126d Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn07zhcn_441d50c9939d_000000000000_0000000000006
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.2
ge20nn08zhcn_1945e0741196_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;3:1000;4:6291456|15663105|1:1:0:256|m,a,s,p6
2:0;3:100;4:2097152;9:1|10420225|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:43+21:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:05
4:42+22:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:49+15:0:1400:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:47+17:0:1380:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:01
4:49+15:0:1400:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_76
64240_2-4-8-1-3_1400_71
65535_2-1-3-1-1-8-4-0-0_1380_61
29200_2-4-8-1-3_1400_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 11; V2055A) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Mobile Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/120.0.0.02
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5.2 Mobile/15E148 Safari/604.11
Mozilla/5.0 (Linux; Android 11; CPH2185) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Mobile Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.791
Mozilla/5.0 (Linux; Android 10; HUAWEI P30 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.105 Mobile Safari/537.361
Mozilla/5.0 (Linux; U; Android 8.1.0; zh-cn; MI 8 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 Mobile Safari/537.361

Country

fingerprintco-occurrences
CN · China9