Skip to main content
Autonomous System

AS21083

Proact Deutschland GmbH

Announced IPs
256
CIDR prefixes
1
ASN
AS21083

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 Content
Traffic level 20-100Mbps
Geographic scope Regional
Traffic ratio Not Disclosed
Peering policy Open

Present at 1 internet exchange: N-IX: Peering

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
194.8.57.0/24 256
99.6%
Proact Deutschland GmbH DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS21083 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
194.8.57.0/24 5,576 2026-08-02 01:27:05

Frequently Asked Questions

What is AS21083?

AS21083 is an Autonomous System Number assigned to Proact Deutschland GmbH. 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 AS21083 announce?

AS21083 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Germany.

Who operates AS21083?

AS21083 is operated by Proact Deutschland GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS21083 registered in?

AS21083 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-02 01:40:31 UTC
Share