Network (ASN)

AS16509

first seen 2026-06-11 00:27 · last seen 2026-10-31 01:07 · JSON

Last 7 days (55 observations)

Distinct clients per day (last 30 days, peak 22/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 nameAmazon.com, Inc.
Domainamazon.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
t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28.The fingerprint page shows the full measured match list. More on the catalog.726
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.162
t13i1909h2_9dc949149365_97f8aa674fd9158
t12d610700_8a10cb45a794_4446390ac224148
t13d1313h2_f57a46bbacb6_9249cab70c77127
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.69
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, +28 more.The fingerprint page shows the full measured match list. More on the catalog.68
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.32
t13d4312h1_c7886603b240_b26ce05bbdd629
t13d1312h2_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +7 more.The fingerprint page shows the full measured match list. More on the catalog.27

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_80b089f68b8e_000000000000_000000000000720
ge11nn040000_4f6f4aad0c1e_000000000000_000000000000143
ge20nn020000_fb4f949fd323_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.8.The fingerprint page shows the full measured match list. More on the catalog.93
ge20nr030000_80b089f68b8e_000000000000_00000000000086
ge20nr020000_fb4f949fd323_000000000000_00000000000052
ge20nn10enus_06e2da52e592_000000000000_00000000000045
ge20nr030000_ff50983941c1_000000000000_00000000000042
ge20nr12enus_54b4638ab28b_000000000000_000000000000 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, +58 more.The fingerprint page shows the full measured match list. More on the catalog.36
ge20nr040000_be74ea4f9dce_000000000000_00000000000021
ge20nn030000_bf75ddd0bb29_000000000000_00000000000015

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:2097152;5:16384;6:16384|5177345|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.13.5, rust-reqwest 0.13.4, +4 more.The fingerprint page shows the full measured match list. More on the catalog.726
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +8 more.The fingerprint page shows the full measured match list. More on the catalog.188
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.143
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p127
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.65
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.18
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.15
1:4096;2:0;4:65535;5:16384;3:100;6:65536|16777216|0|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.14
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.13
1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:256|m,a,s,p11

TCP SYN (p0f)

fingerprintco-occurrences
4:118+10:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0522
4:119+9:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:0232
4:56+8:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:092
4:43+21:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:058
4:43+21:0:1460:35844,10:mss,sok,ts,nop,ws:df,id+:050
4:50+14:0:1460:35844,10:mss,sok,ts,nop,ws:df,id+:048
4:57+7:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:046
4:42+22:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:046
4:50+14:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:042
4:44+20:0:1460:35844,10:mss,sok,ts,nop,ws:df,id+:042

TCP SYN (JA4T)

fingerprintco-occurrences
62727_2-4-8-1-3_1460_7992
42340_2-4-8-1-3_1460_10183
35844_2-4-8-1-3_1460_10171
62727_2-4-8-1-3_1460_1063
64240_2-4-8-1-3_1460_747
62587_2-4-8-1-3_1440_734
64240_2-1-3-1-1-4_1460_819
62727_2-4-8-1-3_1460_919
65535_2-4-8-1-3_1460_1017
64240_2-4-8-1-3_1460_617

QUIC transport params

fingerprintco-occurrences
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.33
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.18
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.17
q13_382365a2166d Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33.The fingerprint page shows the full measured match list. More on the catalog.7
q12_022106b74856 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +29 more.The fingerprint page shows the full measured match list. More on the catalog.4
q11_76f709dc036e Match?Exact match in Thumbprint's published controlled catalog captures: chromium 148.0.7778.96, chromium 147.0.7727.15.The fingerprint page shows the full measured match list. More on the catalog.4
q12_fcf871be5fee Match?Exact match in Thumbprint's published controlled catalog captures: chromium 145.0.7632.6, chromium 143.0.7499.4, chromium 141.0.7390.37, +5 more.The fingerprint page shows the full measured match list. More on the catalog.3
q07_e80dd4933807 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, urlsession 6.3.3, safari 26.6.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1
q12_d7b21d970f2f1

User-Agent

fingerprintco-occurrences
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)719
visionheight.com/scan Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/126.0.0.0 Safari/537.36166
Mozilla/5.0 (Linux; Android 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Mobile Safari/537.36 (compatible; Bytespider; spider-feedback@bytedance.com)147
Mozilla/5.0 (iPhone; CPU iPhone OS 7_1_2 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Version/7.0 Mobile Safari/537.36 (compatible; Bytespider; https://bytedance.sg.larkoffice.com/docx/K5bxdypulop3IIxrJb0lOjLVgFe)124
Mozilla/5.0 (Linux; Android 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Mobile Safari/537.36 (compatible; Bytespider; https://bytedance.sg.larkoffice.com/docx/K5bxdypulop3IIxrJb0lOjLVgFe)90
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.3657
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.3640
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.3620
Go-http-client/2.019
Mozilla/5.0 (compatible; wpbot/1.4; +https://forms.gle/ajBaxygz9jSR8p8G9)17

Country

fingerprintco-occurrences
US · United States1266
SG · Singapore396
DE · Germany46
IE · Ireland46
HK · Hong Kong SAR China44
JP · Japan21
AU · Australia17
GB · United Kingdom17
KR · South Korea16
IN · India16

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog.54
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.37
6399,001d,0017,0018,001932
11ec,11eb,11ed,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.3, go-net/http 1.26.10.The fingerprint page shows the full measured match list. More on the catalog.26
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.24
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.7
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.3.1, curl 7.88.1, curl 8.13.0, +10 more.The fingerprint page shows the full measured match list. More on the catalog.4
11ec,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 157.0.1, firefox-esr 153.5.1esr, firefox 158.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.3
001d,0017,001e,0019,00181
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.1

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_653d80c3fe9d28
t13d1516h2_8daaf6152771_d8a2da3f94cd18
t13d1516h2_8daaf6152771_806a8c22fdea9
t13d1517h2_8daaf6152771_cb7bf5808d993
q13d0312h3_55b375c5d22e_178839b6cec13
t13d1516h2_8daaf6152771_02713d6af8622
q13d0311h3_55b375c5d22e_5a1f323ef56d2
t13d1616h2_86a278354501_0c27189014cf1
q13d0315h3_55b375c5d22e_dc5437974b471