AS150003: the RETNPTELTD-AS-AP RETN PTE. LTD. network
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Testar grátis 14 dias →AS150003 is an internet Autonomous System operated by RETNPTELTD-AS-AP RETN PTE. LTD. (Singapore). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS150003?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS150003 was assigned to RETNPTELTD-AS-AP RETN PTE. LTD. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS150003 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Singapore. Services from RETNPTELTD-AS-AP RETN PTE. LTD. are reached through these addresses.
What it means to see AS150003 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS150003. That means the other end sits on the RETNPTELTD-AS-AP RETN PTE. LTD. network (Singapore). 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 AS150003?
AS150003 is assigned to RETNPTELTD-AS-AP RETN PTE. LTD., registered in Singapore.
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 AS150003 control?
AS150003 currently announces 256 routed IPv4 addresses.