$ query “AS28181” --type=asn → 1 result(s)
AS28181 · MASTER-TELECOM
MASTER TELECOM LTDA ME
AS28181 is operated by MASTER TELECOM LTDA ME and serves as a residential access provider, registered in Brazil since 2013. The system announces 2 048 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Australia.
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
- April 26, 2013
- Last Changed
- May 01, 2026
- Last Seen
- May 11, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 1
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 2 048
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (2 048 IPs)
- Prefix Changed
- April 11, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 2 networks exchanging traffic without transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 7 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (4 total)
- 179.97.16.0/21 (2 048 addresses (/21 prefix))
IPv6 Prefixes (2 total)
- 2804:dac::/32