$ query “AS53173” --type=asn → 1 result(s)
AS53173 · SOBRALNET-SERVICOS-TELECOMUNICACOES
Sobral Telecomunicações Ltda
AS53173 is operated by Sobral Telecomunicações Ltda and serves as a mid-size transit provider, registered in Brazil since 2010. The system announces 3 840 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Australia, with additional presence in Brazil. Prefix announcements for this AS were recently updated.
- 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
- July 30, 2010
- Last Changed
- August 01, 2026
- Last Seen
- September 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 10 / 4
- IPv6 Prefixes (raw / aggregated)
- 7 / 5
- IPv4 Addresses
- 3 840
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /38
- Geolocated Countries
- 🇦🇺 Australia (6 864 IPs), 🇧🇷 Brazil (48 IPs)
- Prefix Changed
- September 19, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Peers
- 25 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 37 unique BGP neighbors
- Reach
- 12 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (10 total)
- 177.44.176.0/21 (2 048 addresses (/21 prefix))
- 177.44.184.0/22 (1 024 addresses (/22 prefix))
- 177.44.188.0/23 (512 addresses (/23 prefix))
- 177.44.190.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (7 total)
- 2804:e4c:3c00::/38
- 2804:e4c:6000::/38
- 2804:e4c:8000::/38
- 2804:e4c:a000::/38
- 2804:e4c::/48