Network (ASN)

AS23724

first seen 2026-06-21 03:29 · last seen 2026-09-15 12:39 · 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

Network nameIDC, China Telecommunications Corporation
Domainchinatelecom.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
t13d191000_9dc949149365_e7c2852226518
q13d0311h3_55b375c5d22e_5a1f323ef56d Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.3
t13d271000_e2a343ec0ac9_c669a5c2c4202
t13d1516h1_8daaf6152771_1a63afa7c4781
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.1
t12d610700_8a10cb45a794_4446390ac2241
t13d1313h2_f57a46bbacb6_9249cab70c771
t12d430700_1ce71f0edbb1_269097225c9f1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_0db47b7d240d_000000000000_0000000000004
ge11nn040000_8391bea91fb6_000000000000_0000000000004
ge30nn080000_9e9d8064af7c_000000000000_0000000000002
ge11nn13enus_9db22d02e17a_000000000000_0000000000001
ge20nr080000_436add3393bb_000000000000_0000000000001
ge30nr080000_436add3393bb_000000000000_0000000000001
ge11nr08*000_89433754e7d8_000000000000_0000000000001
ge11nr07*000_21892446ffbd_000000000000_0000000000001
ge11nn040000_4f6f4aad0c1e_000000000000_0000000000001
ge20nr020000_fb4f949fd323_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +59 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:03
4:43+21:0:1460:mss*20,9:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws:df,id+:03
4:41+23:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:02
4:42+22:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:02
4:43+21:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:01
4:40+24:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:01
4:44+20:0:1412:mss*46,7:mss,sok,ts,nop,ws:df,id+:01
4:42+22:0:1460:mss*29,12:mss,nop,nop,sok,nop,ws:df,id+:01
4:33+31:0:1460:65535,10:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64952_2-4-8-1-3_1412_74
29200_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1460_93
42340_2-4-8-1-3_1460_102
42340_2-1-1-4-1-3_1460_121
65535_2-4-8-1-3_1460_101

QUIC transport params

fingerprintco-occurrences
q12_4b72b12b46e7 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 133.0.6943.16, chromium 131.0.6778.33.The fingerprint page shows the full measured match list. More on the catalog.3

User-Agent

fingerprintco-occurrences
Go-http-client/1.15
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.6478.54 Safari/537.364
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 9_1_2; Win64; x64) AppleWebKit/580.46 (KHTML, like Gecko) Chrome/51.0.2449 Safari/537.361
Mozilla/5.0 (Windows NT 9_1_2; Win64; x64) AppleWebKit/571.43 (KHTML, like Gecko) Chrome/72.0.2988 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.361
Mozilla/5.0 (Linux; Android 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Mobile Safari/537.36 (compatible; Bytespider; https://zhanzhang.toutiao.com/)1
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Bytespider;https://zhanzhang.toutiao.com/1
Mozilla/5.0 (Macintosh; Intel Mac OS X 9_1_1) AppleWebKit/586.35 (KHTML, like Gecko) Chrome/64.0.2256 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.361

Country

fingerprintco-occurrences
CN · China18

Cross-transport links

TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).

fingerprintlinked observations
t13d1516h2_8daaf6152771_d8a2da3f94cd1
q13d0311h3_55b375c5d22e_5a1f323ef56d1