AS24641 FASTER CZ spol. s r.o.

Czechia FASTER-AS RIPE 10 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

17,920

IPv6 /48 networks

131,072

RPKI

11 valid1 no ROA

Peers and downstreams

Holder

AS name: FASTER-AS
Description: FASTER CZ spol. s r.o.
Organisation: FASTER CZ spol. s r.o.
Registered in: Brno, Czechia
Abuse contact: abuse@faster.cz
Assigned: 2002-01-31
Registered: 2002-02-01
Record last changed: 2025-04-23 08:33 UTC

185.146.4.0/22 185.50.228.0/22 77.240.176.0/20 77.240.176.0/24 81.19.0.0/20 85.132.144.0/20 85.132.153.0/24 91.196.40.0/22 91.224.48.0/23 95.129.96.0/21

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 88/100

partly	Prefixes covered by valid ROAs 11 of 12 announced prefixes are RPKI valid, 1 have no ROA.	23/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@faster.cz 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 2025-04-23.	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/24641"><img src="https://ip-fd.net/badge/asn/24641/health.svg" alt="AS24641 network health on IP-FD.net"></a>

Markdown

[![AS24641 network health](https://ip-fd.net/badge/asn/24641/health.svg)](https://ip-fd.net/asn/24641)

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

Routing changes

Last 30 days

2026-10-04 05:05 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 05:05 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS24641
org:            ORG-FCss1-RIPE
as-name:        FASTER-AS
remarks:        ==
remarks:        == Upstreams ==
remarks:        ==
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==
remarks:        == Downstreams
remarks:        ==
remarks:        Downstreams AS listed in AS-FASTER-CUST
remarks:        ==
remarks:        ==
admin-c:        MS39383-RIPE
tech-c:         FA555-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FASTER-MNT
created:        2002-02-01T10:37:35Z
last-modified:  2025-04-23T08:33:19Z
source:         RIPE
% 10 routing policy lines (import/export) not shown

Routing data

Updated 13 h ago

Registry record

Fetched 13 h ago 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/24641

const res = await fetch('https://ip-fd.net/api/v1/asn/24641', {
  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/24641', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/24641');
curl_setopt($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/24641", 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.

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