AS20742 Internet4U Kereskedelmi es Szolgaltato Kft.

Hungary AHOL RIPE 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

512

IPv6 /48 networks

65,536

RPKI

0 valid2 no ROA

Peers and downstreams

Holder

AS name: AHOL
Description: Internet4U Kereskedelmi es Szolgaltato Kft.
Organisation: Internet4U Kereskedelmi es Szolgaltato Kft.
Registered in: Budapest, Hungary
Abuse contact: abuse@ahol.com
Assigned: 2001-05-15
Registered: 1970-01-01
Record last changed: 2024-02-26 16:43 UTC

185.143.48.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 65/100

fail	Prefixes covered by valid ROAs 0 of 2 announced prefixes are RPKI valid, 2 have no ROA.	0/25
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 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@ahol.com 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 2024-02-26.	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/20742"><img src="https://ip-fd.net/badge/asn/20742/health.svg" alt="AS20742 network health on IP-FD.net"></a>

Markdown

[![AS20742 network health](https://ip-fd.net/badge/asn/20742/health.svg)](https://ip-fd.net/asn/20742)

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

Routing changes

Last 30 days

2026-10-04 12:47 UTC	Neighbour gone	AS33891	upstream
2026-10-04 12:47 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 12:47 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 12:47 UTC	Relationship changed	AS47692	upstream to peer

WHOIS

aut-num:        AS20742
as-name:        AHOL
remarks:        Budapest
org:            ORG-HHN1-RIPE
admin-c:        REPA-RIPE
tech-c:         REPA-RIPE
status:         ASSIGNED
mnt-by:         AHOL-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2024-02-26T16:43:46Z
source:         RIPE
% 24 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/20742

const res = await fetch('https://ip-fd.net/api/v1/asn/20742', {
  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/20742', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/20742');
curl_setopt($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/20742", 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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