AS198918: the MST-ZELDOL-AS MST Moskva Zeldol network

AS198918 is an internet Autonomous System operated by MST-ZELDOL-AS MST Moskva Zeldol (Russia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS198918?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS198918 was assigned to MST-ZELDOL-AS MST Moskva Zeldol by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS198918 currently announces 4 IPv4 block(s), totaling about 1.5 thousand addresses (1,536 in all), registered in Russia. Services from MST-ZELDOL-AS MST Moskva Zeldol are reached through these addresses.

What it means to see AS198918 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS198918. That means the other end sits on the MST-ZELDOL-AS MST Moskva Zeldol network (Russia). 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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