$ query “AS28670” --type=asn → 1 result(s)
AS28670 · CST-SERVICOS-INFORMATICA
CST-REDEL SERVIÇOS DE TELECOMUNICAÇÕES LTDA.
AS28670 belongs to CST-REDEL SERVIÇOS DE TELECOMUNICAÇÕES LTDA. and is a residential access provider, established in Brazil in 2006. The system announces 6 144 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Australia, with additional presence in Brazil.
Basic Information
- Country
- 🇧🇷 Brazil
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 16, 2006
- Last Changed
- April 30, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 6 144
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (2 048 IPs), 🇧🇷 Brazil (432 IPs)
- Prefix Changed
- April 02, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 6 144 total (0.02%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 8 networks exchanging traffic without transit
- Downstream Customers
- 3 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 15 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (3 total)
- 189.8.96.0/20 (4 096 addresses (/20 prefix))
- 131.72.144.0/22 (1 024 addresses (/22 prefix))
- 138.94.220.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2804:1c24::/32