AS17161: the MMC network
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Testar grátis 14 dias →AS17161 is an internet Autonomous System operated by MMC (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 AS17161?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS17161 was assigned to MMC by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS17161 currently announces 10 IPv4 block(s), totaling about 28.4 thousand addresses (28,416 in all), registered in the United States. Services from MMC are reached through these addresses.
What it means to see AS17161 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS17161. That means the other end sits on the MMC 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.
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Perguntas frequentes
Who owns AS17161?
AS17161 is assigned to MMC, registered in the United States.
What is an ASN (Autonomous System)?
It is a unique number identifying a network with its own routing policy on the internet. RIRs (regional registries) assign these numbers to carriers, ISPs and companies.
How many IP addresses does AS17161 control?
AS17161 currently announces about 28.4 thousand routed IPv4 addresses.