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Autonomous System

AS38172

IPSTAR Australia Pty Ltd.

Announced IPs
21,248
CIDR prefixes
13
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 15,276 2026-07-24 12:39:34
110.50.16.0/21 14,339 2026-07-24 12:33:08
203.169.16.0/21 14,321 2026-07-24 12:30:37
122.129.142.0/24 14,312 2026-07-24 12:30:37
122.129.143.0/24 14,273 2026-07-24 12:30:37
58.84.216.0/22 14,237 2026-07-24 12:38:44
122.129.144.0/22 14,234 2026-07-24 12:30:37
122.129.140.0/24 14,223 2026-07-24 12:30:37
58.84.220.0/23 14,223 2026-07-24 12:30:37
119.12.208.0/20 14,219 2026-07-24 12:30:37
122.129.136.0/22 14,213 2026-07-24 12:30:37
119.12.218.0/24 14,212 2026-07-24 12:40:58
119.12.219.0/24 14,209 2026-07-24 12:31:11
103.246.180.0/22 14,209 2026-07-24 12:30:37
119.12.211.0/24 14,203 2026-07-24 12:31:11
122.129.141.0/24 14,191 2026-07-24 12:30:37
122.129.128.0/21 14,173 2026-07-24 12:32:11
122.129.128.0/20 14,171 2026-07-24 12:32:34
103.153.242.0/23 14,164 2026-07-24 12:38:52
122.129.152.0/21 14,161 2026-07-24 12:37:45
122.129.148.0/23 14,158 2026-07-24 12:35:15
122.129.150.0/24 14,133 2026-07-24 12:34:49
119.12.214.0/24 13,938 2026-07-24 12:40:58
119.12.220.0/24 6,802 2026-07-24 12:43:16
119.12.223.0/24 5,798 2026-07-24 12:30:56
119.12.221.0/24 5,796 2026-07-24 12:30:56
119.12.222.0/24 5,796 2026-07-24 12:30:56
119.12.216.0/24 5,795 2026-07-24 12:30:56
119.12.215.0/24 5,763 2026-07-24 12:30:56
119.12.208.0/24 5,461 2026-07-24 12:30:56
122.129.151.0/24 936 2026-07-24 12:40:58

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 21.2K IPv4 addresses distributed across 13 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: 2026-07-24 12:40:31 UTC
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