AS270564: the MASTER DA WEB DATACENTER LTDA network

AS270564 is an internet Autonomous System operated by MASTER DA WEB DATACENTER LTDA (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS270564?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS270564 was assigned to MASTER DA WEB DATACENTER LTDA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS270564 currently announces 5 IPv4 block(s), totaling about 4.6 thousand addresses (4,608 in all), registered in Brazil. Services from MASTER DA WEB DATACENTER LTDA are reached through these addresses.

What it means to see AS270564 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS270564. That means the other end sits on the MASTER DA WEB DATACENTER LTDA 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.