AS265521: the Supermercados Internacionales HEB SA de CV network

AS265521 is an internet Autonomous System operated by Supermercados Internacionales HEB SA de CV (Mexico). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS265521?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS265521 was assigned to Supermercados Internacionales HEB SA de CV by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS265521 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Mexico. Services from Supermercados Internacionales HEB SA de CV are reached through these addresses.

What it means to see AS265521 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS265521. That means the other end sits on the Supermercados Internacionales HEB SA de CV network (Mexico). 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.