AS15880: the CHIKALIN-AS network

Equipe PC Monitor · Atualizado em 19/09/2026

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AS15880 is an internet Autonomous System operated by CHIKALIN-AS (Russia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS15880?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS15880 was assigned to CHIKALIN-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS15880 currently announces 2 IPv4 block(s), totaling about 3.1 thousand addresses (3,072 in all), registered in Russia. Services from CHIKALIN-AS are reached through these addresses.

What it means to see AS15880 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS15880. That means the other end sits on the CHIKALIN-AS network (Russia). 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 AS15880?

AS15880 is assigned to CHIKALIN-AS, registered in Russia.

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 AS15880 control?

AS15880 currently announces about 3.1 thousand routed IPv4 addresses.

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