AS21574
Century Telecom Ltda ISP registered in Brazil
4IPv4 prefixes
1IPv6 prefixes
#322AS Rank
324/327RIS visibility
#4,246Rank in Brazil
2001-06-07Allocated
Century Telecom Ltda (AS21574) — ISP, registered in Brazil. announces 4 IPv4 prefixes + 1 IPv6 prefixes. Rank in Brazil: #4246. Allocated: 2001-06-07.
IPv4 4IPv6 1
Announced prefixes · 5
- v4 168.227.200.0/22 unknown
- v4 186.249.224.0/20 unknown
- v4 187.1.176.0/20 unknown
- v4 200.169.0.0/20 unknown
- v6 2804:23ec::/32 unknown
Routing: 5 IPv4 · 1 IPv6 announced · RIS visibility 324/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 6 |
| 2026-06-13 | 6 |
| 2026-06-17 | 5 |
Internet Exchanges · 11
- IX.br (PTT.br) São Paulo São Paulo/SP 400 Gbps
- IX.br (PTT.br) Rio de Janeiro Rio de Janeiro/RJ 300 Gbps
- IX.br (PTT.br) Belo Horizonte Belo Horizonte/MG 200 Gbps
- Equinix São Paulo São Paulo 10 Gbps
- IX.br (PTT.br) Campinas Campinas/SP 10 Gbps
- IX.br (PTT.br) Curitiba Curitiba 10 Gbps
- IX.br (PTT.br) Florianópolis Florianópolis/SC 10 Gbps
- IX.br (PTT.br) Porto Alegre Porto Alegre/RS 10 Gbps
- DE-CIX Frankfurt Frankfurt 7 Gbps
- IX.br (PTT.br) Fortaleza Fortaleza/CE 5 Gbps
- DE-CIX New York New York 3 Gbps
Facilities · 6
- Ascenty SPO04 - São Paulo Osasco
- Cirion Rio de Janeiro - RIO1 Rio de Janeiro
- Equinix RJ2 - Rio de Janeiro Rio de Janeiro
- Equinix SP2 - São Paulo Barueri
- Equinix SP4 - São Paulo Barueri
- PIX Century Telecom - Belo Horizonte Contagem
AS topology · Customer cone 166
Providers · 8
Peers · 123
Embed this on your site
Badge 
[](https://ipdex.io/asn/AS21574/)
<a href="https://ipdex.io/asn/AS21574/"><img src="https://ipdex.io/badge/asn/21574.svg" alt="AS21574 on ipdex"></a>
Live chart (iframe)
<iframe src="https://ipdex.io/embed/asn/21574" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>