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Autonomous System

AS25409

Alsys Net SRL

Announced IPs
2,816
CIDR prefixes
3
ASN
AS25409

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 →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
93.190.144.0/21 2.0K
29.8%
Alsys Net SRL RO
95.128.170.0/23 512
0.6%
Alsys Net SRL RO
195.234.188.0/24 256
57.4%
Alsys Net SRL RO

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS25409 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
93.190.144.0/21 16,407 2026-07-27 14:38:46
95.128.170.0/23 16,351 2026-07-27 14:38:46
195.234.188.0/24 16,324 2026-07-27 14:38:46

Frequently Asked Questions

What is AS25409?

AS25409 is an Autonomous System Number assigned to Alsys Net SRL. 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 AS25409 announce?

AS25409 announces 2.8K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Romania.

Who operates AS25409?

AS25409 is operated by Alsys Net SRL. The organization is based in Romania. You can view all IP ranges and related ASNs on the organization page.

What country is AS25409 registered in?

AS25409 is registered in Romania. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-27 14:40:31 UTC
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