Network (ASN)

AS27699

first seen 2026-07-01 22:32 · last seen 2026-11-01 21:37 · JSON

Last 7 days (45 observations)

Distinct clients per day (last 30 days, peak 16/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 nameTELEFÔNICA BRASIL S.A
Domaintelefonica.com.br

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
t13d4412h1_fd39b124ee10_58ed7828516f115
t13d1515h1_8daaf6152771_de4a06bb82e360
t13d1515h1_8daaf6152771_0a20fe35d3a559
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.37
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.23
t13d4312h1_c7886603b240_b26ce05bbdd619
t13d2812h2_a01be8c064b6_ef4b9b248d7210
t13d1516h1_8daaf6152771_1a63afa7c4787
t13d1516h2_8daaf6152771_02713d6af862 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.5
q13d0315h3_55b375c5d22e_dc5437974b47 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 155.0.1, +27 more.The fingerprint page shows the full measured match list. More on the catalog.4

HTTP request (JA4H)

fingerprintco-occurrences
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.134
ge11nn13enus_9db22d02e17a_000000000000_00000000000089
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +39 more.The fingerprint page shows the full measured match list. More on the catalog.41
ge11nn14enus_4a2973d235de_000000000000_00000000000037
ge20nr14enus_8885f48a1d08_000000000000_0000000000004
ge11nr19zhtw_4e9b73ab7510_000000000000_0000000000004
ge11nr16zhcn_3dfdba18536b_000000000000_0000000000003
ge20nr08enus_1945e0741196_000000000000_0000000000002
ge20nr13enus_e2ac93ffb364_000000000000_0000000000002
ge20nn15enus_134aed5f5045_000000000000_0000000000002

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, +60 more.The fingerprint page shows the full measured match list. More on the catalog.46
1:4096;2:0;4:2147483647;5:131072;8:0;3:100;6:65536|2147418112|0|m,s,p,a10
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 155.0.1, +32 more.The fingerprint page shows the full measured match list. More on the catalog.2
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 26.6.2, safari 26.5, +3 more.The fingerprint page shows the full measured match list. More on the catalog.2
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.1

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:049
4:45+19:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:048
4:44+20:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:033
4:44+20:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:027
4:46+18:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:026
4:46+18:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:022
4:43+21:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:019
4:43+21:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:016
4:45+19:0:1452:mss*44,7:mss,sok,ts,nop,ws:df,id+:010
4:44+20:0:1452:mss*44,7:mss,sok,ts,nop,ws:df,id+:09

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1440_6134
65535_2-4-8-1-3_1452_6118
64240_2-4-8-1-3_1452_735
64240_2-4-8-1-3_1440_717
65535_2-4-8-1-3_1452_814
65535_2-4-8-1-3_1440_85
65535_2-1-3-1-1-4_1452_85
64240_2-1-3-1-1-4_1452_84
64240_2-4-8-1-3_1440_13
65535_2-1-3-1-1-4_1440_82

QUIC transport params

fingerprintco-occurrences
q12_022106b74856 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +30 more.The fingerprint page shows the full measured match list. More on the catalog.4
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, +55 more.The fingerprint page shows the full measured match list. More on the catalog.1
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, +67 more.The fingerprint page shows the full measured match list. More on the catalog.1

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.3637
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.3618
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.3616
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.3613
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.3612
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.3611
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.3610
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.3610
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.369
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.369

Country

fingerprintco-occurrences
BR · Brazil350

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 158.0.1, firefox 157.0, firefox 157.0.1, +5 more.The fingerprint page shows the full measured match list. More on the catalog.23
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.18
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog.16
0a0a,001d,0017,001815
0a0a,6399,001d,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
q13d0315h3_55b375c5d22e_dc5437974b472
t13d1616h2_86a278354501_0c27189014cf1
t13d1516h2_8daaf6152771_0c27189014cf1