Network (ASN)

AS4766

first seen 2026-07-01 15:32 · last seen 2026-09-09 17:00 · JSON

Last 7 days (5 observations)

Distinct clients per day (last 30 days, peak 19/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 nameKorea Telecom
Domainkt.com

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
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.60
t13d2913h1_723694b0fccc_5671b5df502943
q13d0311h3_55b375c5d22e_653d80c3fe9d 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, +52 more.The fingerprint page shows the full measured match list. More on the catalog.14
t13d1011h1_61a7ad8aa9b6_3a8073edd8ef12
t13d1717h2_5b57614c22b0_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.4
t13d1617h2_86a278354501_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 152.0.3, +10 more.The fingerprint page shows the full measured match list. More on the catalog.4
q13d0313h3_55b375c5d22e_eb028bd37c083
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +24 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13i170900_5b57614c22b0_78e6aca7449b2
q13d0313h3_55b375c5d22e_4effff169a461

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr16kokr_94fdc06e0694_000000000000_00000000000039
ge11nr11kokr_835281d8e5d9_000000000000_00000000000029
ge20nn16kokr_94fdc06e0694_000000000000_00000000000019
he11nr060000_562097065936_000000000000_00000000000012
ge11nr11kokr_b350a6a7c155_000000000000_0000000000005
ge11nn11kokr_835281d8e5d9_000000000000_0000000000004
ge20nr13kokr_9e2b86631664_000000000000_0000000000004
ge20nn010000_379fadc6c8b7_000000000000_0000000000003
ge30nr13ko00_0c2c1d640f3e_000000000000_0000000000003
ge20nr12ko00_54b4638ab28b_000000000000_0000000000003

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog.61
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.4
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog.3
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.3
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:131072;5:16384|12517377|1:0:0:42|m,p,a,s1
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:117+11:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:028
4:117+11:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:021
4:116+12:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:018
4:116+12:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:015
4:113+15:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:012
4:114+14:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:08
4:48+16:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:03
4:115+13:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:03
4:52+12:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:id-,ecn:03
4:116+12:0:1309:mss*44,8:mss,nop,ws,nop,nop,sok::02

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_868
64240_2-1-3-1-1-4_1460_846
65535_2-1-3-1-1-8-4-0-0_1460_67
64240_2-1-3-1-1-4_1309_82
63443_2-1-1-4-1-1-8-1-3_1460_72
65535_2-1-3-1-1-4_1410_82
65535_2-4-8-1-3_1460_61
42340_2-4-8-1-3_1460_91
65280_2-1-3-1-1-4_1360_81
65535_2-1-3-1-1-4_1362_81

QUIC transport params

fingerprintco-occurrences
q12_97eeb91f9c98 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +41 more.The fingerprint page shows the full measured match list. More on the catalog.9
q13_b3b195fe7bab Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, edge 151.0.4129.93, chrome 151.0.7922.170, +32 more.The fingerprint page shows the full measured match list. More on the catalog.5
q14_29d65835f4b52
q12_022106b74856 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +25 more.The fingerprint page shows the full measured match list. More on the catalog.1
q13_8e9fe9211e931

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.3619
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.3612
Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/153.0 Mobile/15E148 Safari/604.110
Mozilla/5.0 (Linux; Android 13; Pixel 7 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.368
Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Mobile/15E148 Safari/604.16
Mozilla/5.0 (Linux; Android 14; Pixel 9 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.365
Mozilla/5.0 (Linux; Android 14; Pixel 9) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.365
Mozilla/5.0 (Linux; Android 12; Pixel 6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.365
Mozilla/5.0 (Linux; Android 14; 23054RA19C) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.364
Mozilla/5.0 (iPad; CPU OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/153.0 Mobile/15E148 Safari/604.14

Country

fingerprintco-occurrences
KR · South Korea150

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
q13d0311h3_55b375c5d22e_653d80c3fe9d3
t13d1516h2_8daaf6152771_806a8c22fdea3