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Autonomous System

AS15450

Alhambra Systems SA

Announced IPs
7,168
CIDR prefixes
11
ASN
AS15450

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS15450 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
109.234.69.0/24 5,370 2026-07-31 23:31:50
209.99.50.0/24 5,312 2026-07-31 23:32:10
84.246.169.0/24 5,301 2026-07-31 23:31:42
109.234.70.0/24 5,274 2026-07-31 23:31:50
195.138.209.0/24 5,273 2026-07-31 23:32:05
199.58.191.0/24 5,243 2026-07-31 23:32:06
109.234.67.0/24 5,176 2026-07-31 23:31:50
109.234.68.0/24 5,152 2026-07-31 23:31:50
109.234.65.0/24 5,132 2026-07-31 23:31:50
77.95.154.0/24 5,087 2026-07-31 22:39:03
77.95.152.0/24 5,087 2026-07-31 22:39:03
109.234.64.0/24 5,069 2026-07-31 23:31:50
109.234.64.0/21 5,066 2026-07-31 23:31:50
77.95.153.0/24 5,048 2026-07-31 22:39:03
77.95.152.0/21 5,047 2026-07-31 22:39:03
77.95.155.0/24 4,983 2026-07-31 22:39:03
195.140.159.0/24 4,961 2026-07-31 23:32:05
195.140.156.0/24 4,953 2026-07-31 23:32:05
91.240.173.0/24 4,952 2026-07-31 23:31:45
195.140.157.0/24 4,952 2026-07-31 23:32:05
195.140.158.0/24 4,950 2026-07-31 23:32:05
195.140.156.0/22 4,950 2026-07-31 23:32:05
194.69.251.0/24 4,943 2026-07-31 23:32:05
194.69.250.0/24 4,941 2026-07-31 23:32:05
194.69.248.0/24 4,934 2026-07-31 23:32:05
194.69.249.0/24 4,922 2026-07-31 23:32:05
194.69.248.0/22 4,919 2026-07-31 23:32:05
77.95.158.0/24 4,843 2026-07-31 22:39:03
77.95.157.0/24 4,797 2026-07-31 22:39:03
77.95.159.0/24 4,793 2026-07-31 22:39:03
77.95.156.0/24 4,792 2026-07-31 22:39:03
109.234.66.0/24 4,450 2026-07-31 23:31:50

Frequently Asked Questions

What is AS15450?

AS15450 is an Autonomous System Number assigned to Alhambra Systems SA. 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 AS15450 announce?

AS15450 announces 7.2K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Spain.

Who operates AS15450?

AS15450 is operated by Alhambra Systems SA. The organization is based in Spain. You can view all IP ranges and related ASNs on the organization page.

What country is AS15450 registered in?

AS15450 is registered in Spain. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-01 00:10:32 UTC
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