$ query “AS267521” --type=asn → 1 result(s)

AS267521 · ULTRANET-NETWORK

ULTRANET NETWORK

AS267521 is operated by ULTRANET NETWORK and serves as a residential access provider, based in Brazil since 2017. The system announces 2 048 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Brazil.

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

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
August 25, 2017
Last Changed
July 01, 2026
Last Seen
July 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
7 / 2
IPv6 Prefixes (raw / aggregated)
8 / 1
IPv4 Addresses
2 048
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (2 064 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 2 048 total (0.05%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
28 networks exchanging traffic without transit
Downstream Customers
4 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
37 unique BGP neighbors
Reach
54 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (7 total)

  • 38.10.96.0/22 (1 024 addresses (/22 prefix))
  • 201.182.48.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (8 total)

  • 2804:42b8::/32