AS139213: the HCSI-AS-AP Hillview Cable Systems, inc. network

AS139213 is an internet Autonomous System operated by HCSI-AS-AP Hillview Cable Systems, 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 AS139213?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS139213 was assigned to HCSI-AS-AP Hillview Cable Systems, inc. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS139213 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the Philippines. Services from HCSI-AS-AP Hillview Cable Systems, inc. are reached through these addresses.

What it means to see AS139213 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS139213. That means the other end sits on the HCSI-AS-AP Hillview Cable Systems, 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

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