AS15450 Alhambra Systems SA

Spain ALHAMBRA RIPE 32 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

7,424

IPv6 /48 networks

65,536

RPKI

29 valid4 no ROA

Peers and downstreams

Holder

AS name: ALHAMBRA
Description: Tlfo: +34 917 872 300 Fax: +34 917 872 301 C/Albasanz 16, planta 4 28037, Madrid SPAIN
Organisation: Alhambra Systems SA
Registered in: Madrid, Spain
Abuse contact: equipo.icm@a-e.es
Assigned: 2000-07-02
Registered: 1970-01-01
Record last changed: 2025-10-23 10:02 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 87/100

partly	Prefixes covered by valid ROAs 29 of 33 announced prefixes are RPKI valid, 4 have no ROA.	22/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact equipo.icm@a-e.es is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2025-10-23.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/15450"><img src="https://ip-fd.net/badge/asn/15450/health.svg" alt="AS15450 network health on IP-FD.net"></a>

Markdown

[![AS15450 network health](https://ip-fd.net/badge/asn/15450/health.svg)](https://ip-fd.net/asn/15450)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS15450
as-name:        ALHAMBRA
descr:          Tlfo: +34 917 872 300
descr:          Fax: +34 917 872 301
descr:          C/Albasanz 16, planta 4
descr:          28037, Madrid
descr:          SPAIN
org:            ORG-ASS21-RIPE
admin-c:        EI1214-RIPE
tech-c:         EI1214-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ALHAMBRAEIDOS
created:        1970-01-01T00:00:00Z
last-modified:  2025-10-23T10:02:33Z
source:         RIPE
% 12 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/15450

const res = await fetch('https://ip-fd.net/api/v1/asn/15450', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/15450', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/15450');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/15450", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS2914	NTT America, Inc. NTT-DATA-2914
AS8220	COLT Technology Services Group Limited COLT

AS26395	Johnson Controls Inc JOHNSON-CONTROLS
AS204884	Fundacion Universidad de Valladolid FUNDACION-PARQUE-UVA