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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 212.183.28.0/24 | 256 |
0.4%
|
Holter Verwaltungs GmbH | AT | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS205003 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 212.183.28.0/24 | 7,000 | 2026-07-31 20:47:10 |
Frequently Asked Questions
What is AS205003?
AS205003 is an Autonomous System Number assigned to Holter Verwaltungs 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 AS205003 announce?
AS205003 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Austria.
Who operates AS205003?
AS205003 is operated by Holter Verwaltungs GmbH. The organization is based in Austria. You can view all IP ranges and related ASNs on the organization page.
What country is AS205003 registered in?
AS205003 is registered in Austria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
