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 |
|---|---|---|---|---|---|---|
| 185.131.248.0/22 | 1.0K |
0.6%
|
ASM Terni SpA | IT | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS203525 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 |
|---|---|---|
| 185.131.248.0/22 | 6,339 | 2026-08-04 11:07:45 |
Frequently Asked Questions
What is AS203525?
AS203525 is an Autonomous System Number assigned to ASM Terni SpA. 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 AS203525 announce?
AS203525 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Italy.
Who operates AS203525?
AS203525 is operated by ASM Terni SpA. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.
What country is AS203525 registered in?
AS203525 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
