AS219521: the VERSADC - VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI network

AS219521 is an internet Autonomous System operated by VERSADC - VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI (Turkey). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS219521?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS219521 was assigned to VERSADC - VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS219521 currently announces 2 IPv4 block(s), totaling 512 addresses (512 in all), registered in Turkey. Services from VERSADC - VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI are reached through these addresses.

What it means to see AS219521 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS219521. That means the other end sits on the VERSADC - VERSADC VERI MERKEZI HIZMETLERI LIMITED SIRKETI network (Turkey). 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.