AS47219: the NTT_GDC_ANYCAST Used to annouce Anycast Networks for NTT GDC Client services network

AS47219 is an internet Autonomous System operated by NTT_GDC_ANYCAST Used to annouce Anycast Networks for NTT GDC Client services (the United Kingdom). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS47219?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS47219 was assigned to NTT_GDC_ANYCAST Used to annouce Anycast Networks for NTT GDC Client services by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS47219 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United Kingdom. Services from NTT_GDC_ANYCAST Used to annouce Anycast Networks for NTT GDC Client services are reached through these addresses.

What it means to see AS47219 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS47219. That means the other end sits on the NTT_GDC_ANYCAST Used to annouce Anycast Networks for NTT GDC Client services network (the United Kingdom). 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

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