AS29891: the NCCWO-ASN1-VZBLVL3CMCST network
Monitore os PCs da sua empresa em tempo real, com dados objetivos.
Testar grátis 14 dias →AS29891 is an internet Autonomous System operated by NCCWO-ASN1-VZBLVL3CMCST (the United States). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS29891?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS29891 was assigned to NCCWO-ASN1-VZBLVL3CMCST by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS29891 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from NCCWO-ASN1-VZBLVL3CMCST are reached through these addresses.
What it means to see AS29891 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS29891. That means the other end sits on the NCCWO-ASN1-VZBLVL3CMCST network (the United States). 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.
Prefere falar com a gente antes de instalar?
Deixe seus dados e um especialista mostra, no seu contexto, como o PC Monitor ajuda a resolver isso na sua empresa. Sem compromisso.
Perguntas frequentes
Who owns AS29891?
AS29891 is assigned to NCCWO-ASN1-VZBLVL3CMCST, registered in the United States.
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 AS29891 control?
AS29891 currently announces 256 routed IPv4 addresses.