AS27783: the ITOCHU PANAMA, S.A. network

AS27783 is an internet Autonomous System operated by ITOCHU PANAMA, S.A. (Panama). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS27783?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS27783 was assigned to ITOCHU PANAMA, S.A. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS27783 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Panama. Services from ITOCHU PANAMA, S.A. are reached through these addresses.

What it means to see AS27783 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS27783. That means the other end sits on the ITOCHU PANAMA, S.A. network (Panama). 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.