AS199638: the RUDIS-SI-AS network

Equipe PC Monitor · Atualizado em 19/09/2026

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AS199638 is an internet Autonomous System operated by RUDIS-SI-AS (Slovenia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS199638?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS199638 was assigned to RUDIS-SI-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS199638 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Slovenia. Services from RUDIS-SI-AS are reached through these addresses.

What it means to see AS199638 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS199638. That means the other end sits on the RUDIS-SI-AS network (Slovenia). 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 AS199638?

AS199638 is assigned to RUDIS-SI-AS, registered in Slovenia.

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 AS199638 control?

AS199638 currently announces 256 routed IPv4 addresses.

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