$ query “AS266400” --type=asn → 1 result(s)

AS266400 · FERENZ-NETWORKS

Ferenz Networks

AS266400 is owned by Ferenz Networks and is a hosting access provider, based in Brazil since 2016. The system announces 5 376 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Brazil, with additional presence in Australia and the United States, and a smaller footprint in another country.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇧🇷 Brazil
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 06, 2016
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
31 / 11
IPv6 Prefixes (raw / aggregated)
13 / 1
IPv4 Addresses
5 376
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (4 096 IPs), 🇦🇺 Australia (2 048 IPs), 🇺🇸 United States (1 024 IPs) and 1 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 5 376 total (0.02%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
22 networks exchanging traffic without transit
Downstream Customers
6 downstreams buying transit
Degree
35 unique BGP neighbors
Reach
6 networks in customer cone

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (31 total)

  • 45.224.128.0/22 (1 024 addresses (/22 prefix))
  • 170.81.40.0/22 (1 024 addresses (/22 prefix))
  • 31.57.174.0/23 (512 addresses (/23 prefix))
  • 74.1.74.0/23 (512 addresses (/23 prefix))
  • 74.1.84.0/23 (512 addresses (/23 prefix))
  • 181.214.128.0/23 (512 addresses (/23 prefix))
  • 96.43.96.0/24 (256 addresses (/24 prefix))
  • 102.165.25.0/24 (256 addresses (/24 prefix))
  • 181.214.230.0/24 (256 addresses (/24 prefix))
  • 181.215.211.0/24 (256 addresses (/24 prefix))
  • 181.215.215.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (13 total)

  • 2804:3744::/32