Network (ASN)

AS1221

first seen 2026-08-19 06:47 · last seen 2026-10-31 16:56 · JSON

Last 7 days (8 observations)

Distinct clients per day (last 30 days, peak 5/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 nameTelstra Limited
Domaintelstra.com.au

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.10
t13d1515h1_8daaf6152771_0a20fe35d3a510
t13d1518h2_8daaf6152771_4980c97edce010
t13d1515h1_8daaf6152771_de4a06bb82e39
q13d0313h3_55b375c5d22e_eb028bd37c089
t13d4312h1_c7886603b240_b26ce05bbdd68
t13d2913h1_723694b0fccc_5671b5df50296
t13d1516h3_8daaf6152771_d8a2da3f94cd4
t13d1515h2_60db84cde7a9_a54fffd0eb614
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, +56 more.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_00000000000016
ge20nr12engb_54b4638ab28b_000000000000_0000000000008
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.8
ge20nr16enau_94fdc06e0694_000000000000_0000000000007
ge30nr12engb_54b4638ab28b_000000000000_0000000000005
ge11nn14enus_4a2973d235de_000000000000_0000000000004
ge20nn11engb_3901d4197baf_000000000000_0000000000004
ge11nr11enau_835281d8e5d9_000000000000_0000000000004
ge30nn13engb_0c2c1d640f3e_000000000000_0000000000003
ge20nn16enau_94fdc06e0694_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, +57 more.The fingerprint page shows the full measured match list. More on the catalog.16
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 152.0.7977.83, +81 more.The fingerprint page shows the full measured match list. More on the catalog.7
1:38880;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s4
1:65536;4:131072;5:16384|12517377|3:0:0:201,5:0:0:101,7:0:0:1,9:0:7:1,11:0:3:1,13:0:0:241,15:0:13:42|m,p,a,s2
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, +8 more.The fingerprint page shows the full measured match list. More on the catalog.1
1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 151.0.7922.34, chromium 147.0.7727.15, chromium 145.0.7632.6, +26 more.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:110+18:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:07
6:53+11:0:1376:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:ecn,flow:05
4:111+17:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:04
4:51+13:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:04
4:47+17:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:03
4:51+13:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+:03
4:48+16:0:1460:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:03
6:53+11:0:1376:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:flow:03
4:112+16:0:1358:mss*44,8:mss,nop,ws,nop,nop,sok:df:03
4:50+14:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_813
65535_2-1-3-1-1-8-4-0-0_1376_610
65535_2-4-8-1-3_1460_68
65535_2-1-3-1-1-8-4-0-0_1460_66
64240_2-1-3-1-1-4_1358_86
65535_2-4-8-1-3_1460_84
65535_2-4-8-1-3_1384_83
64240_2-4-8-1-3_1460_72
65535_2-4-8-1-3_1440_62
65535_2-4-8-1-3_1404_82

QUIC transport params

fingerprintco-occurrences
q12_97eeb91f9c98 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, chrome 151.0.7922.137, +64 more.The fingerprint page shows the full measured match list. More on the catalog.6
q13_b3b195fe7bab Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 152.0.7977.83, edge 151.0.4129.93, +52 more.The fingerprint page shows the full measured match list. More on the catalog.5

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/154.0.0.0 Safari/537.3616
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:155.0) Gecko/20100101 Firefox/155.06
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.364
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.04
Mozilla/5.0 (Linux; Android 15; SM-F946B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Mobile Safari/537.364
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.363
Mozilla/5.0 (iPad; CPU OS 17_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.13
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/156.0.0.0 Safari/537.363

Country

fingerprintco-occurrences
AU · Australia77

TLS supported groups

fingerprintco-occurrences
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog.7
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog.3
11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog.2
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.22.1, python-httpx 0.28.1, python-requests 2.34.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.2
0a0a,001d,0017,00181

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
t13d1518h2_8daaf6152771_4980c97edce08
q13d0313h3_55b375c5d22e_eb028bd37c088