AS15518 Circular Informationssysteme GmbH

Germany CIRC-AS RIPE 5 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

8,192

IPv6 /48 networks

65,536

RPKI

6 valid0 no ROA

Peers and downstreams

Holder

AS name: CIRC-AS
Description: Schulze-Delitzsch-Str.36 70565 Stuttgart Germany
Organisation: Circular Informationssysteme GmbH
Registered in: Stuttgart, Germany
Abuse contact: guardian@circular.net
Assigned: 2000-07-24

212.86.160.0/20 212.86.180.0/22 212.86.188.0/22 213.153.64.0/22 213.153.72.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 89/100

pass	Prefixes covered by valid ROAs 6 of 6 announced prefixes are RPKI valid.	25/25
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 guardian@circular.net 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
n/a	Registry record maintained We have no change date for this record.

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/15518"><img src="https://ip-fd.net/badge/asn/15518/health.svg" alt="AS15518 network health on IP-FD.net"></a>

Markdown

[![AS15518 network health](https://ip-fd.net/badge/asn/15518/health.svg)](https://ip-fd.net/asn/15518)

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.

Routing data

From the weekly collection

Registry record

From the nightly import

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/15518

const res = await fetch('https://ip-fd.net/api/v1/asn/15518', {
  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/15518', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/15518');
curl_setopt($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/15518", 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.

AS5400	British Telecommunications Limited BT
AS8220	COLT Technology Services Group Limited COLT