$ query “AS28605” --type=asn → 1 result(s)

AS28605 · DEFFERRARI-INFORMATICA

Defferrari Informatica Ltda.

AS28605 belongs to 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. Its primary geographic footprint is in Australia, with additional presence in Brazil. This AS has recently updated its prefix announcements.

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
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
8 / 2
IPv6 Prefixes (raw / aggregated)
2 / 1
IPv4 Addresses
5 120
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇦🇺 Australia (1 024 IPs), 🇧🇷 Brazil (384 IPs)
Prefix Changed
April 24, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
5 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
27 unique BGP neighbors
Reach
15 networks in customer cone

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (8 total)

  • 201.20.144.0/20 (4 096 addresses (/20 prefix))
  • 179.127.112.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (2 total)

  • 2804:3c0::/32