AS402147: the FOS-AS-2026 - Fosdick Fulfillment Corporation network

AS402147 is an internet Autonomous System operated by FOS-AS-2026 - Fosdick Fulfillment Corporation (the United States). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS402147?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS402147 was assigned to FOS-AS-2026 - Fosdick Fulfillment Corporation by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS402147 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from FOS-AS-2026 - Fosdick Fulfillment Corporation are reached through these addresses.

What it means to see AS402147 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS402147. That means the other end sits on the FOS-AS-2026 - Fosdick Fulfillment Corporation network (the United States). 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.