AS201256: the MURPHYHOLDING network

Equipe PC Monitor · Atualizado em 19/09/2026

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AS201256 is an internet Autonomous System operated by MURPHYHOLDING (Estonia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS201256?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS201256 was assigned to MURPHYHOLDING by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS201256 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Estonia. Services from MURPHYHOLDING are reached through these addresses.

What it means to see AS201256 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS201256. That means the other end sits on the MURPHYHOLDING network (Estonia). 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 AS201256?

AS201256 is assigned to MURPHYHOLDING, registered in Estonia.

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 AS201256 control?

AS201256 currently announces 256 routed IPv4 addresses.

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