AS40173: the CHG-AS-01 network

Equipe PC Monitor · Atualizado em 19/09/2026

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AS40173 is an internet Autonomous System operated by CHG-AS-01 (the United States). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS40173?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS40173 was assigned to CHG-AS-01 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS40173 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in the United States. Services from CHG-AS-01 are reached through these addresses.

What it means to see AS40173 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS40173. That means the other end sits on the CHG-AS-01 network (the United States). It can be legitimate — a cloud service, an ISP, a CDN — or an unexpected connection worth checking.

How to see every connection and network your devices reach

Tracing one connection's ASN at a time is tedious. Sentinela, by PC Monitor, maps the devices on your network, shows what is exposed to the internet and helps flag suspicious connections and devices — running on your Windows. Meet Sentinela.

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Perguntas frequentes

Who owns AS40173?

AS40173 is assigned to CHG-AS-01, registered in the United States.

What is an ASN (Autonomous System)?

It is a unique number identifying a network with its own routing policy on the internet. RIRs (regional registries) assign these numbers to carriers, ISPs and companies.

How many IP addresses does AS40173 control?

AS40173 currently announces 512 routed IPv4 addresses.

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