$ query “AS28171” --type=asn → 1 result(s)
AS28171 · S-O-BRASIL
S. O. do Brasil Telecomunicações LTDA ME
AS28171 is operated by S. O. do Brasil Telecomunicações LTDA ME and serves as a residential access provider, established in Brazil in 2007. The system announces a respectable 21 504 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Brazil.
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
- December 18, 2007
- Last Changed
- October 05, 2026
- Last Seen
- October 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 86 / 5
- IPv6 Prefixes (raw / aggregated)
- 34 / 1
- IPv4 Addresses
- 21 504
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇧🇷 Brazil (21 504 IPs)
- Prefix Changed
- August 08, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 21 504 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 23 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Degree
- 32 unique BGP neighbors
- Reach
- 9 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (86 total)
- 179.107.128.0/19 (8 192 addresses (/19 prefix))
- 189.84.160.0/19 (8 192 addresses (/19 prefix))
- 177.84.64.0/21 (2 048 addresses (/21 prefix))
- 177.137.240.0/21 (2 048 addresses (/21 prefix))
- 191.160.20.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (34 total)
- 2804:d84::/32