$ query “AS271201” --type=asn → 1 result(s)
AS271201 · VIANET-TELECOMUNICACOES
Vianet Telecomunicacoes Ltda
AS271201 is run by Vianet Telecomunicacoes Ltda and is a mid-size transit provider, based in Brazil since 2020. The system announces 1 024 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Australia, with additional presence in Brazil.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇧🇷 Brazil
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 13, 2020
- Last Changed
- March 04, 2026
- Last Seen
- September 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 1
- IPv6 Prefixes (raw / aggregated)
- 3 / 1
- IPv4 Addresses
- 1 024
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (1 952 IPs), 🇧🇷 Brazil (96 IPs)
- Prefix Changed
- September 02, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 29 networks exchanging traffic without transit
- Downstream Customers
- 21 downstreams buying transit
- Unclassified
- 4 unclassified BGP neighbors
- Degree
- 57 unique BGP neighbors
- Reach
- 37 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (3 total)
- 179.49.184.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (3 total)
- 2804:77d0::/32