AS28658: the Gigalink de Nova Friburgo Solucoes em Rede Multimi network

AS28658 is an internet Autonomous System operated by Gigalink de Nova Friburgo Solucoes em Rede Multimi (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS28658?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS28658 was assigned to Gigalink de Nova Friburgo Solucoes em Rede Multimi by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS28658 currently announces 11 IPv4 block(s), totaling about 39.9 thousand addresses (39,936 in all), registered in Brazil. Services from Gigalink de Nova Friburgo Solucoes em Rede Multimi are reached through these addresses.

What it means to see AS28658 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS28658. That means the other end sits on the Gigalink de Nova Friburgo Solucoes em Rede Multimi network (Brazil). 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.