AS48420: the BIS-CH-AS network

Equipe PC Monitor · Atualizado em 19/09/2026

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AS48420 is an internet Autonomous System operated by BIS-CH-AS (Ukraine). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS48420?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS48420 was assigned to BIS-CH-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS48420 currently announces 2 IPv4 block(s), totaling 768 addresses (768 in all), registered in Ukraine. Services from BIS-CH-AS are reached through these addresses.

What it means to see AS48420 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS48420. That means the other end sits on the BIS-CH-AS network (Ukraine). 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 AS48420?

AS48420 is assigned to BIS-CH-AS, registered in Ukraine.

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 AS48420 control?

AS48420 currently announces 768 routed IPv4 addresses.

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