AS8508: the SILWEB-AS-EDU SILWEB Autonomous System - Academic network

AS8508 is an internet Autonomous System operated by SILWEB-AS-EDU SILWEB Autonomous System - Academic (Poland). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS8508?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS8508 was assigned to SILWEB-AS-EDU SILWEB Autonomous System - Academic by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS8508 currently announces 10 IPv4 block(s), totaling about 160 thousand addresses (160,000 in all), registered in Poland. Services from SILWEB-AS-EDU SILWEB Autonomous System - Academic are reached through these addresses.

What it means to see AS8508 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS8508. That means the other end sits on the SILWEB-AS-EDU SILWEB Autonomous System - Academic network (Poland). 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.