Network (ASN)

AS26599

first seen 2026-07-16 21:19 · last seen 2026-09-15 07:11 · JSON

Last 7 days (10 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 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_58ed7828516f130
t13d1515h1_8daaf6152771_de4a06bb82e351
t13d1515h1_8daaf6152771_0a20fe35d3a547
t13d1516h1_8daaf6152771_1a63afa7c4787
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.7
t13d2812h2_257f3020b3a2_cbb9361b6bf91

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.130
ge11nn13enus_9db22d02e17a_000000000000_00000000000074
ge11nn14enus_4a2973d235de_000000000000_00000000000031
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, +23 more.The fingerprint page shows the full measured match list. More on the catalog.7
ge20nn020000_b89ce445e0b3_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13, go-net/http 1.27.0, go-net/http 1.26.6, +10 more.The fingerprint page shows the full measured match list. More on the catalog.1

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.7
1:65536;2:0;4:6291456;6:262144|15663105|1:0:0:256|m,a,s,p1

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:036
4:45+19:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:033
4:44+20:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:024
4:44+20:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:020
4:43+21:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:019
4:46+18:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:018
4:46+18:0:1440:65535,6:mss,sok,ts,nop,ws:df,id+:013
4:45+19:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:06
4:46+18:0:1440:mss*44,7:mss,sok,ts,nop,ws:df,id+:06
4:43+21:0:1452:65535,6:mss,sok,ts,nop,ws:df,id+:05

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1440_696
65535_2-4-8-1-3_1452_682
64240_2-4-8-1-3_1440_718
64240_2-4-8-1-3_1452_710
65535_2-4-8-1-3_1400_86
65535_2-4-8-1-3_1452_85
64240_2-4-8-1-3_1440_14
64240_2-4-8-1-3_1452_14
65535_2-4-8-1-3_1440_83
65535_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1400_83

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.3611
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.3611
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.3610
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 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/123.0.0.0 Safari/537.369
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.368
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.367
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.367
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.367

Country

fingerprintco-occurrences
BR · Brazil243