$ query “AS28605” --type=asn → 1 result(s)
AS28605 · DEFFERRARI-INFORMATICA
Defferrari Informatica Ltda.
AS28605 is owned by Defferrari Informatica Ltda. and is a mid-size transit provider, based in Brazil since 2005. The system announces 5 120 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Brazil.
Basic Information
- Country
- 🇧🇷 Brazil
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 26, 2005
- Last Changed
- March 04, 2026
- Last Seen
- October 23, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 2
- IPv6 Prefixes (raw / aggregated)
- 7 / 1
- IPv4 Addresses
- 5 120
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇧🇷 Brazil (5 120 IPs)
- Prefix Changed
- October 08, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 8 upstreams providing transit
- Peers
- 4 networks exchanging traffic without transit
- Downstream Customers
- 13 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 26 unique BGP neighbors
- Reach
- 15 networks in customer cone
Upstream Providers (8)
Prefix Lists
IPv4 Prefixes (12 total)
- 201.20.144.0/20 (4 096 addresses (/20 prefix))
- 179.127.112.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (7 total)
- 2804:3c0::/32