$ query “AS267101” --type=asn → 1 result(s)
AS267101 · ACB-FIBRA
ACB Fibra
AS267101 is owned by ACB Fibra and is a residential access provider, based in Brazil since 2017. The system announces 1 536 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 22, 2017
- Last Changed
- April 01, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 7 / 3
- IPv6 Prefixes (raw / aggregated)
- 4 / 1
- IPv4 Addresses
- 1 536
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (1 536 IPs)
- Prefix Changed
- May 09, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 1 536 total (0.07%)
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 22 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 3 unclassified BGP neighbors
- Degree
- 28 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (7 total)
- 45.228.32.0/22 (1 024 addresses (/22 prefix))
- 181.192.112.0/24 (256 addresses (/24 prefix))
- 181.192.115.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (4 total)
- 2804:4828::/32