AS26599 — AS26599 - TELEFONICA BRASIL S.A

Network type: residential

AS26599 announces 170 IPv4 prefixes covering 10,786,304 addresses and 67 IPv6 prefixes.

About this network

Telefônica Brasil (AS26599) — the fixed-network ASN of Vivo, Brazil's largest telecom operator, carrying its Vivo Fibra home broadband.

What it's used for

• Fibre and DSL home internet for tens of millions of Brazilian households.

Notable

• A very large "eyeball" network: addresses here are Brazilian home connections, commonly behind carrier-grade NAT, not servers.
• This is the fixed broadband ASN, distinct from Vivo's mobile network (AS27699).

Interesting

• Vivo is the consumer brand of Telefônica Brasil, making AS26599 one of the most frequently seen residential-ISP origins in Brazilian traffic.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 152.234.64.0/18
• 152.240.0.0/13
• 152.248.0.0/16
• 152.251.0.0/16
• 152.252.128.0/17
• 152.253.128.0/17
• 152.254.64.0/18
• 152.255.0.0/21
• 152.255.8.0/22
• 152.255.12.0/23
• 152.255.14.0/24
• 152.255.16.0/23
• 152.255.19.0/24
• 152.255.20.0/22
• 152.255.24.0/21
• 152.255.32.0/19
• 152.255.64.0/18
• 177.24.0.0/17
• 177.24.128.0/18
• 177.24.200.0/21
• 177.24.208.0/20
• 177.24.224.0/19
• 177.25.64.0/20
• 177.25.112.0/20
• 177.25.128.0/17
• 177.26.0.0/16
• 177.27.0.0/17
• 177.27.128.0/18
• 177.60.0.0/15
• 177.62.0.0/16
• 177.63.0.0/17
• 177.63.128.0/18
• 177.76.0.0/14
• 177.112.0.0/14
• 177.116.0.0/15
• 177.118.0.0/17
• 177.118.192.0/18
• 177.119.0.0/16
• 177.144.0.0/17
• 177.144.192.0/18
• 177.145.64.0/18
• 177.145.128.0/17
• 177.146.0.0/16
• 177.147.0.0/17
• 177.147.128.0/18
• 177.160.0.0/18
• 177.160.128.0/17
• 177.161.0.0/16
• 177.162.0.0/15
• 177.168.0.0/13
• 177.196.0.0/16
• 177.197.0.0/18
• 177.197.112.0/20
• 177.197.128.0/17
• 177.198.0.0/15
• 177.212.0.0/16
• 177.213.0.0/17
• 177.213.128.0/18
• 177.213.192.0/20
• 177.213.208.0/22
• 177.213.212.0/23
• 177.213.215.0/24
• 177.213.216.0/21
• 177.213.224.0/19
• 177.214.0.0/15
• 179.69.0.0/18
• 179.80.0.0/16
• 179.81.128.0/17
• 179.82.0.0/16
• 179.84.0.0/14
• 179.88.0.0/14
• 179.92.0.0/15
• 179.94.0.0/16
• 179.100.128.0/17
• 179.101.0.0/16
• 179.102.0.0/15
• 179.112.0.0/13
• 179.128.0.0/15
• 179.130.0.0/16
• 179.131.128.0/18
• 179.132.0.0/14
• 179.144.0.0/17
• 179.144.128.0/18
• 179.144.192.0/19
• 179.145.64.0/18
• 179.145.128.0/17
• 179.146.0.0/15
• 179.148.0.0/15
• 179.150.0.0/16
• 179.151.0.0/17
• 179.151.128.0/18
• 179.151.208.0/20
• 179.151.224.0/19
• 179.160.0.0/16
• 179.161.0.0/17
• 179.163.0.0/16
• 179.164.0.0/14
• 179.168.0.0/15
• 179.170.0.0/17
• 179.172.0.0/15

and 137 more.

Upstream networks

• AS10429 TELEFONICA BRASIL S.A

Downstream networks

• AS27699 TELEFONICA BRASIL S.A

Adjacent networks

• AS10429 TELEFONICA BRASIL S.A
• AS27699 TELEFONICA BRASIL S.A

Routing security

• RPKI: 0 valid, 0 invalid and 724 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 6% of announcements registered; 110 route objects.
• Listed in as-sets: AS-7HOOP-DOWNSTREAM, AS-AS10429-CLIENTES, AS-CTBC-CUSTOMERS103, AS-CTBC-TOOLS-7, AS-EMBRATELNET, AS-HURRICANE, AS-TBSA, AS204464:AS-BLACKLIST.