AS59383: the DOFASN-AS-AP Office of Finance and Services TA Department of Finance and Services NSW network

AS59383 is an internet Autonomous System operated by DOFASN-AS-AP Office of Finance and Services TA Department of Finance and Services NSW (Australia). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS59383?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS59383 was assigned to DOFASN-AS-AP Office of Finance and Services TA Department of Finance and Services NSW by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS59383 currently announces 3 IPv4 block(s), totaling about 12.5 thousand addresses (12,544 in all), registered in Australia. Services from DOFASN-AS-AP Office of Finance and Services TA Department of Finance and Services NSW are reached through these addresses.

What it means to see AS59383 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS59383. That means the other end sits on the DOFASN-AS-AP Office of Finance and Services TA Department of Finance and Services NSW network (Australia). 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.