AS263920
MAST TELECOMUNICACOES E INFORMATICA LTDA ISP registered in Brazil
3IPv4 prefixes
4IPv6 prefixes
100%RPKI-valid
#3,279AS Rank
326/327RIS visibility
#2,744Rank in Brazil
2015-08-12Allocated
MAST TELECOMUNICACOES E INFORMATICA LTDA (AS263920) — ISP, registered in Brazil. announces 3 IPv4 prefixes + 4 IPv6 prefixes. Rank in Brazil: #2744. Allocated: 2015-08-12.
IPv4 3IPv6 4
Announced prefixes · 7
- v4 138.185.240.0/22 valid
- v4 138.185.240.0/23 valid
- v4 138.185.242.0/23 valid
- v6 2804:27c0:8000::/33 valid
- v6 2804:27c0::/32 valid
- v6 2804:27c0::/33 valid
- v6 2804:27c0:ffff::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 3 IPv4 · 4 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 7 |
| 2026-06-13 | 7 |
Internet Exchanges · 3
- IX.br (PTT.br) Fortaleza Fortaleza/CE 10 Gbps
- IX.br (PTT.br) João Pessoa João Pessoa/PB 10 Gbps
- IX.br (PTT.br) São Paulo São Paulo/SP 5 Gbps