AS273599: the H2A TELECOM network
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Testar grátis 14 dias →AS273599 is an internet Autonomous System operated by H2A TELECOM (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS273599?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS273599 was assigned to H2A TELECOM by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS273599 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Brazil. Services from H2A TELECOM are reached through these addresses.
What it means to see AS273599 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS273599. That means the other end sits on the H2A TELECOM network (Brazil). 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 AS273599?
AS273599 is assigned to H2A TELECOM, registered in Brazil.
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 AS273599 control?
AS273599 currently announces 256 routed IPv4 addresses.