$ query “AS28189” --type=asn → 1 result(s)
AS28189 · JR-JS-ENGENHARIA-COMERCIO
JR & JS ENGENHARIA E COMÉRCIO LTDA
AS28189 belongs to JR & JS ENGENHARIA E COMÉRCIO LTDA and is a mid-size transit provider, based in Brazil since 2008. The system announces a respectable 11 776 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
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 05, 2008
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 33 / 4
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 11 776
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇦🇺 Australia (8 192 IPs), 🇧🇷 Brazil (1 984 IPs)
- Prefix Changed
- April 23, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 25 networks exchanging traffic without transit
- Downstream Customers
- 43 downstreams buying transit
- Unclassified
- 11 unclassified BGP neighbors
- Degree
- 84 unique BGP neighbors
- Reach
- 304 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (33 total)
- 186.224.192.0/19 (8 192 addresses (/19 prefix))
- 189.90.8.0/21 (2 048 addresses (/21 prefix))
- 189.90.4.0/22 (1 024 addresses (/22 prefix))
- 189.90.2.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (2 total)
- 2804:1a0::/32