$ query “AS7575” --type=asn → 1 result(s)

AS7575 · AARNET-AS-AP

Australian Academic and Research Network

AS7575 is owned by Australian Academic and Research Network and is a major transit provider, established in Australia. The system announces an impressive 1.2 million IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Australia. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇦🇺 Australia
Category
Education/Research
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
May 15, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
182 / 119
IPv6 Prefixes (raw / aggregated)
9 / 8
IPv4 Addresses
1 154 816
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇦🇺 Australia (1 154 816 IPs)
Prefix Changed
May 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
699 networks exchanging traffic without transit
Downstream Customers
104 downstreams buying transit
Unclassified
77 unclassified BGP neighbors
Degree
888 unique BGP neighbors
Reach
319 networks in customer cone

Upstream Providers (8)

Prefix Lists

IPv4 Prefixes (182 total)

  • 130.56.0.0/16 (65 536 addresses (/16 prefix))
  • 137.111.0.0/16 (65 536 addresses (/16 prefix))
  • 144.205.0.0/16 (65 536 addresses (/16 prefix))
  • 138.44.0.0/16 (65 536 addresses (/16 prefix))
  • 138.25.0.0/16 (65 536 addresses (/16 prefix))
  • 150.203.0.0/16 (65 536 addresses (/16 prefix))
  • 152.98.0.0/16 (65 536 addresses (/16 prefix))
  • 139.230.0.0/16 (65 536 addresses (/16 prefix))
  • 141.132.0.0/16 (65 536 addresses (/16 prefix))
  • 137.92.0.0/16 (65 536 addresses (/16 prefix))
  • 134.115.0.0/16 (65 536 addresses (/16 prefix))
  • 129.96.0.0/16 (65 536 addresses (/16 prefix))
  • 134.148.0.0/16 (65 536 addresses (/16 prefix))
  • 131.170.0.0/16 (65 536 addresses (/16 prefix))
  • 131.181.0.0/16 (65 536 addresses (/16 prefix))
  • 132.234.0.0/16 (65 536 addresses (/16 prefix))
  • 138.7.0.0/18 (16 384 addresses (/18 prefix))
  • 182.255.96.0/19 (8 192 addresses (/19 prefix))
  • 203.57.160.0/19 (8 192 addresses (/19 prefix))
  • 203.1.32.0/19 (8 192 addresses (/19 prefix))
  • 202.158.192.0/19 (8 192 addresses (/19 prefix))
  • 143.92.0.0/19 (8 192 addresses (/19 prefix))
  • 203.2.32.0/20 (4 096 addresses (/20 prefix))
  • 203.1.224.0/20 (4 096 addresses (/20 prefix))
  • 113.197.0.0/20 (4 096 addresses (/20 prefix))
  • 203.29.104.0/21 (2 048 addresses (/21 prefix))
  • 203.2.136.0/22 (1 024 addresses (/22 prefix))
  • 203.19.80.0/22 (1 024 addresses (/22 prefix))
  • 203.17.200.0/22 (1 024 addresses (/22 prefix))
  • 203.29.244.0/22 (1 024 addresses (/22 prefix))
  • 203.6.8.0/22 (1 024 addresses (/22 prefix))
  • 138.80.248.0/22 (1 024 addresses (/22 prefix))
  • 203.2.48.0/22 (1 024 addresses (/22 prefix))
  • 203.17.112.0/23 (512 addresses (/23 prefix))
  • 138.7.66.0/23 (512 addresses (/23 prefix))
  • 138.80.244.0/23 (512 addresses (/23 prefix))
  • 138.80.240.0/23 (512 addresses (/23 prefix))
  • 203.29.214.0/23 (512 addresses (/23 prefix))
  • 203.22.224.0/23 (512 addresses (/23 prefix))
  • 203.19.218.0/23 (512 addresses (/23 prefix))
  • 155.205.208.0/23 (512 addresses (/23 prefix))
  • 160.250.178.0/23 (512 addresses (/23 prefix))
  • 160.250.232.0/23 (512 addresses (/23 prefix))
  • 138.7.152.0/23 (512 addresses (/23 prefix))
  • 203.19.86.0/23 (512 addresses (/23 prefix))
  • 203.14.228.0/23 (512 addresses (/23 prefix))
  • 203.11.66.0/23 (512 addresses (/23 prefix))
  • 138.80.252.0/23 (512 addresses (/23 prefix))
  • 203.6.144.0/23 (512 addresses (/23 prefix))
  • 192.231.166.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (9 total)

  • 2001:388::/32
  • 2400:6980::/32
  • 2402:a700::/32
  • 2402:ec00::/32
  • 2405:ce00::/32
  • 2406:8700::/32
  • 2001:df7:ec00::/48
  • 2400:a4c0::/48