AS10109: the TOPNET-AS-MN-AP Topica LLC, Internet Service Provider,Ulaanbaatar, Mongolia network

AS10109 is an internet Autonomous System operated by TOPNET-AS-MN-AP Topica LLC, Internet Service Provider,Ulaanbaatar, Mongolia (MN). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS10109?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS10109 was assigned to TOPNET-AS-MN-AP Topica LLC, Internet Service Provider,Ulaanbaatar, Mongolia by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS10109 currently announces 1 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in MN. Services from TOPNET-AS-MN-AP Topica LLC, Internet Service Provider,Ulaanbaatar, Mongolia are reached through these addresses.

What it means to see AS10109 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS10109. That means the other end sits on the TOPNET-AS-MN-AP Topica LLC, Internet Service Provider,Ulaanbaatar, Mongolia network (MN). 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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