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Autonomous System

AS138657

MarchNet

Announced IPs
256
CIDR prefixes
1
ASN
AS138657

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 →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
203.32.27.0/24 256
97.7%
MarchNet AU Queensland Brisbane

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS138657 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.32.27.0/24 31,467 2026-07-30 20:03:38

Frequently Asked Questions

What is AS138657?

AS138657 is an Autonomous System Number assigned to MarchNet. 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 AS138657 announce?

AS138657 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Australia.

Who operates AS138657?

AS138657 is operated by MarchNet. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS138657 registered in?

AS138657 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-30 20:10:32 UTC
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