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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: KleyReX: Peering LAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 45.152.100.0/22 | 1.0K |
0.0%
|
Ulf Kieber | DE | — | — |
| 185.105.80.0/22 | 1.0K |
0.0%
|
Ulf Kieber | DE | — | — |
| 195.42.100.0/23 | 512 |
0.0%
|
Ulf Kieber | DE | — | — |
| 193.108.179.0/24 | 256 |
9.4%
|
Ulf Kieber | DE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS24603 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 |
|---|---|---|
| 193.108.179.0/24 | 12,574 | 2026-08-02 12:39:20 |
| 45.152.100.0/22 | 12,530 | 2026-08-02 12:38:47 |
| 185.105.80.0/22 | 12,432 | 2026-08-02 12:39:22 |
| 195.42.100.0/23 | 12,412 | 2026-08-02 12:39:22 |
Frequently Asked Questions
What is AS24603?
AS24603 is an Autonomous System Number assigned to Ulf Kieber. 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 AS24603 announce?
AS24603 announces 2.8K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Germany.
Who operates AS24603?
AS24603 is operated by Ulf Kieber. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS24603 registered in?
AS24603 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
