AS50833 FIBER TELECOM s.r.o.

Czechia FIBERTEL-AS RIPE 5 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

8,704

IPv6 /48 networks

RPKI

9 valid0 no ROA

Peers and downstreams

Holder

AS name: FIBERTEL-AS
Description: # upstreams # netassist # kaora
Organisation: FIBER TELECOM s.r.o.
Registered in: Prague, Czechia
Abuse contact: abuse@fibertelecom.cz
Assigned: 2011-02-02
Registered: 2011-02-03
Record last changed: 2022-07-10 20:13 UTC

146.255.24.0/21 193.150.128.0/20 193.150.144.0/21 45.159.110.0/24 91.224.59.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 9 of 9 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 4 IPv6 prefixes.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@fibertelecom.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
fail	Registry record maintained Last changed 2022-07-10.	0/5

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/50833"><img src="https://ip-fd.net/badge/asn/50833/health.svg" alt="AS50833 network health on IP-FD.net"></a>

Markdown

[![AS50833 network health](https://ip-fd.net/badge/asn/50833/health.svg)](https://ip-fd.net/asn/50833)

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

Routing changes

Last 30 days

2026-10-04 11:28 UTC	Neighbour gone	AS210464	upstream
2026-10-04 11:28 UTC	New neighbour	AS53356	upstream

WHOIS

aut-num:        AS50833
as-name:        FIBERTEL-AS
org:            ORG-FTS26-RIPE
descr:          
descr:          
descr:          
admin-c:        MK23363-RIPE
tech-c:         MK23363-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-KRAJA
created:        2011-02-03T14:53:27Z
last-modified:  2022-07-10T20:13:31Z
source:         RIPE
% 6 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/50833

const res = await fetch('https://ip-fd.net/api/v1/asn/50833', {
  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/50833', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/50833');
curl_setopt($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/50833", 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.

AS8772	NetAssist LLC NLineLLC
AS26431	Happy Telecommunications LLC HAPPYPEERING
AS29632	Netassist International EOOD NASSIST-AS
AS53356	Free Range Cloud Hosting Inc. FREE RANGE CLOUD