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

AS7575 · AARNET-AS-AP

Australian Academic and Research Network

AS7575 is operated by Australian Academic and Research Network and serves as a major transit provider, established in Australia. The system announces an impressive 1.2 million IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Australia.

  • 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
April 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
183 / 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
April 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
691 networks exchanging traffic without transit
Downstream Customers
111 downstreams buying transit
Unclassified
86 unclassified BGP neighbors
Degree
896 unique BGP neighbors
Reach
617 networks in customer cone

Upstream Providers (8)

Prefix Lists

IPv4 Prefixes (183 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))
  • and 69 more

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