AS58884: the SMPHI-AS-AP SM Prime Holdings, Inc. network

AS58884 is an internet Autonomous System operated by SMPHI-AS-AP SM Prime Holdings, Inc. (the Philippines). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS58884?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS58884 was assigned to SMPHI-AS-AP SM Prime Holdings, Inc. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS58884 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the Philippines. Services from SMPHI-AS-AP SM Prime Holdings, Inc. are reached through these addresses.

What it means to see AS58884 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS58884. That means the other end sits on the SMPHI-AS-AP SM Prime Holdings, Inc. network (the Philippines). 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.