$ query “AS58511” --type=asn → 1 result(s)

AS58511 · ANYCAST-GLOBAL-BACKBONE

Anycast Holdings Pty Ltd

AS58511 belongs to Anycast Holdings Pty Ltd and is a mid-size transit provider, registered in Australia. The system announces a respectable 22 528 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Australia.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #31 by Degree — Top 100 by unique BGP neighbor count

Basic Information

Country
🇦🇺 Australia
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
10 / 10
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
22 528
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇦🇺 Australia (22 528 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
2 678 networks exchanging traffic without transit
Downstream Customers
32 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
2 717 unique BGP neighbors
Reach
133 networks in customer cone

Upstream Providers (6)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)
  • AS1221 — ASN-TELSTRA
  • AS2764 — AAPT

Prefix Lists

IPv4 Prefixes (10 total)

  • 125.254.64.0/18 (16 384 addresses (/18 prefix))
  • 43.225.32.0/22 (1 024 addresses (/22 prefix))
  • 103.70.72.0/22 (1 024 addresses (/22 prefix))
  • 103.247.0.0/22 (1 024 addresses (/22 prefix))
  • 163.47.48.0/22 (1 024 addresses (/22 prefix))
  • 58.96.158.0/23 (512 addresses (/23 prefix))
  • 103.17.220.0/23 (512 addresses (/23 prefix))
  • 103.29.174.0/23 (512 addresses (/23 prefix))
  • 103.17.223.0/24 (256 addresses (/24 prefix))
  • 103.227.66.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2400:5240::/32
  • 2400:8280::/32