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Autonomous System

AS21478

Plex BV

Announced IPs
8,192
CIDR prefixes
1
ASN
AS21478

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
213.129.192.0/19 8.2K
15.2%
Plex BV NL

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21478 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
213.129.192.0/19 26,913 2026-07-25 13:04:59

Frequently Asked Questions

What is AS21478?

AS21478 is an Autonomous System Number assigned to Plex BV. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS21478 announce?

AS21478 announces 8.2K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in The Netherlands.

Who operates AS21478?

AS21478 is operated by Plex BV. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.

What country is AS21478 registered in?

AS21478 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-25 13:55:31 UTC
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