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Autonomous System

AS45128

Australian Nuclear Science and Technology Organisation,

Announced IPs
65,536
CIDR prefixes
1
ASN
AS45128

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Australian Nuclear Science and Technology Organisation

The Australian Nuclear Science and Technology Organisation (ANSTO) is a statutory body of the Australian Government that is responsible for nuclear research and the production of radioisotopes for nuclear medicine. It operates a number of advanced research instruments, including the OPAL reactor and ANTARES particle accelerator.

Founded
1987
Headquarters
Lucas Heights

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS45128 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
137.157.0.0/16 7,282 2026-07-24 15:51:27

Frequently Asked Questions

What is AS45128?

AS45128 is an Autonomous System Number assigned to Australian Nuclear Science and Technology Organisation,. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS45128 announce?

AS45128 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Australia.

Who operates AS45128?

AS45128 is operated by Australian Nuclear Science and Technology Organisation. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS45128 registered in?

AS45128 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 16:25:32 UTC
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