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Autonomous System

AS205365

Matthias Fetzer

Announced IPs
512
CIDR prefixes
1
ASN
AS205365

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 Educational/Research
Traffic level 100-1000Mbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Open
IRR record AS-FETZER

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS205365 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
195.191.81.0/24 7,245 2026-08-03 06:24:45
195.191.80.0/24 6,977 2026-08-03 06:27:26

Frequently Asked Questions

What is AS205365?

AS205365 is an Autonomous System Number assigned to Matthias Fetzer. 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 AS205365 announce?

AS205365 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Germany.

Who operates AS205365?

AS205365 is operated by Matthias Fetzer. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS205365 registered in?

AS205365 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-03 07:10:31 UTC
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