AS8580: the SANDY MTS Nizhniy Novgorod, Russia network

AS8580 is an internet Autonomous System operated by SANDY MTS Nizhniy Novgorod, Russia (Russia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS8580?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS8580 was assigned to SANDY MTS Nizhniy Novgorod, Russia by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS8580 currently announces 9 IPv4 block(s), totaling about 41.2 thousand addresses (41,216 in all), registered in Russia. Services from SANDY MTS Nizhniy Novgorod, Russia are reached through these addresses.

What it means to see AS8580 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS8580. That means the other end sits on the SANDY MTS Nizhniy Novgorod, Russia 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.