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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 140.78.0.0/16 | 65.5K |
23.3%
|
University Linz | AT | Upper Austria | Linz |
| 193.186.172.0/22 | 1.0K |
0.0%
|
University Linz | AT | — | — |
| 193.186.176.0/22 | 1.0K |
0.0%
|
University Linz | AT | — | — |
| 192.107.124.0/23 | 512 |
0.0%
|
University Linz | AT | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1205 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 |
|---|---|---|
| 193.186.176.0/22 | 5,605 | 2026-07-20 07:02:37 |
| 193.186.172.0/22 | 5,557 | 2026-07-20 07:02:37 |
| 140.78.0.0/16 | 5,516 | 2026-07-20 07:02:37 |
| 192.107.124.0/23 | 5,513 | 2026-07-20 07:02:37 |
Frequently Asked Questions
What is AS1205?
AS1205 is an Autonomous System Number assigned to University Linz. 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 AS1205 announce?
AS1205 announces 68.1K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Austria.
Who operates AS1205?
AS1205 is operated by University Linz. The organization is based in Austria. You can view all IP ranges and related ASNs on the organization page.
What country is AS1205 registered in?
AS1205 is registered in Austria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
