$ query “AS266434” --type=asn → 1 result(s)
AS266434 · MASTER-DATA-TELECOMUNICACOES
MASTER DATA TELECOMUNICACOES LTDA - ME
AS266434 belongs to MASTER DATA TELECOMUNICACOES LTDA - ME and is a residential access provider, registered in Brazil since 2016. The system announces 1 024 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
- December 19, 2016
- Last Changed
- May 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 1 024
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (1 024 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 2 flagged IPs out of 1 024 total (0.20%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 26 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 30 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (4 total)
- 170.82.52.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2804:37c0::/32