AS265023: the TMK ULTRA PROVEDOR SCM LTDA network

AS265023 is an internet Autonomous System operated by TMK ULTRA PROVEDOR SCM LTDA (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS265023?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS265023 was assigned to TMK ULTRA PROVEDOR SCM LTDA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS265023 currently announces 6 IPv4 block(s), totaling about 7.2 thousand addresses (7,168 in all), registered in Brazil. Services from TMK ULTRA PROVEDOR SCM LTDA are reached through these addresses.

What it means to see AS265023 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS265023. That means the other end sits on the TMK ULTRA PROVEDOR SCM 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.