$ query “AS267521” --type=asn → 1 result(s)
AS267521 · ULTRANET-NETWORK
ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA
AS267521 is run by ULTRAFIBER INFORMATICA E TELECOMUNICACOES LTDA and is a residential access provider, registered 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
- October 05, 2026
- Last Seen
- October 21, 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 (2 048 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 26 networks exchanging traffic without transit
- Downstream Customers
- 7 downstreams buying transit
- Degree
- 36 unique BGP neighbors
- Reach
- 8 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