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Autonomous System

AS38172

IPSTAR Australia Pty Ltd.

Announced IPs
21,504
CIDR prefixes
14
ASN
AS38172

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

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

Network profile

Source: PeeringDB →
Traffic level 50-100Gbps
Geographic scope Australia
Traffic ratio Not Disclosed
Peering policy Open
IRR record AS38172:AS-IPSTAR

Present at 3 internet exchanges: IX Australia Sydney (NSW-IX): NSW-IX, MegaIX Sydney: MegaIX, Equinix Sydney

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS38172 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
110.238.184.0/21 26,669 2026-09-17 04:23:52
122.129.142.0/24 25,661 2026-09-17 04:23:42
122.129.143.0/24 25,536 2026-09-17 04:23:42
58.84.216.0/22 25,424 2026-09-17 04:23:42
58.84.220.0/23 25,410 2026-09-17 04:23:42
122.129.144.0/22 25,400 2026-09-17 04:23:42
122.129.140.0/24 25,395 2026-09-17 04:23:42
122.129.136.0/22 25,370 2026-09-17 04:23:42
119.12.218.0/24 25,370 2026-09-17 04:23:42
119.12.219.0/24 25,365 2026-09-17 04:23:42
110.50.16.0/21 25,364 2026-09-17 04:23:42
122.129.141.0/24 25,351 2026-09-17 04:23:42
119.12.211.0/24 25,337 2026-09-17 04:23:42
103.246.180.0/22 25,318 2026-09-17 04:23:42
122.129.128.0/21 25,316 2026-09-17 04:23:42
119.12.208.0/20 25,311 2026-09-17 04:23:42
122.129.128.0/20 25,301 2026-09-17 04:23:42
122.129.152.0/21 25,297 2026-09-17 04:23:42
122.129.148.0/23 25,286 2026-09-17 04:23:42
203.169.16.0/21 25,256 2026-09-17 04:23:42
122.129.150.0/24 25,230 2026-09-17 04:23:42
103.153.242.0/23 25,227 2026-09-17 04:23:42
119.12.214.0/24 24,921 2026-09-17 04:23:42
119.12.221.0/24 18,356 2026-09-17 04:23:42
119.12.222.0/24 18,247 2026-09-17 04:23:42
119.12.223.0/24 18,229 2026-09-17 04:23:42
119.12.216.0/24 18,156 2026-09-17 04:23:42
119.12.215.0/24 18,139 2026-09-17 04:23:42
119.12.220.0/24 17,712 2026-09-17 04:23:42
119.12.208.0/24 17,596 2026-09-17 04:23:42
122.129.151.0/24 12,053 2026-09-17 04:23:42

Frequently Asked Questions

What is AS38172?

AS38172 is an Autonomous System Number assigned to IPSTAR Australia Pty Ltd.. 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 AS38172 announce?

AS38172 announces 21.5K IPv4 addresses distributed across 14 routed CIDR prefixes. The network is registered in Australia.

Who operates AS38172?

AS38172 is operated by IPSTAR Australia Pty Ltd.. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS38172 registered in?

AS38172 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-17 04:39:05 UTC
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