AS42576 Maciej Jan Broniarz trading as CERT NGO

Poland INTRSC-AS RIPE 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

512

IPv6 /48 networks

RPKI

0 valid3 no ROA

Peers and downstreams

Holder

AS name: INTRSC-AS
Description: Maciej Jan Broniarz trading as CERT NGO
Organisation: Maciej Jan Broniarz trading as CERT NGO
Abuse contact: abuse@gausus.net
Assigned: 2007-03-14
Registered: 2007-03-15
Record last changed: 2026-09-30 07:23 UTC

193.3.166.0/24 91.192.224.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 65/100

fail	Prefixes covered by valid ROAs 0 of 3 announced prefixes are RPKI valid, 3 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@gausus.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
pass	Registry record maintained Last changed 2026-09-30.	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/42576"><img src="https://ip-fd.net/badge/asn/42576/health.svg" alt="AS42576 network health on IP-FD.net"></a>

Markdown

[![AS42576 network health](https://ip-fd.net/badge/asn/42576/health.svg)](https://ip-fd.net/asn/42576)

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

Routing changes

Last 30 days

2026-10-05 01:02 UTC	Relationship changed	AS24748	upstream to peer
2026-10-05 01:02 UTC	New neighbour	AS201434	upstream
2026-10-05 01:02 UTC	New prefix	2001:678:664::/48

WHOIS

aut-num:        AS42576
as-name:        INTRSC-AS
org:            ORG-IA684-RIPE
admin-c:        MJB24-RIPE
tech-c:         MJB24-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LEON-MNT
mnt-by:         UW-PL
created:        2007-03-15T14:44:49Z
last-modified:  2026-09-30T07:23:02Z
source:         RIPE
sponsoring-org: ORG-LSzo6-RIPE

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/42576

const res = await fetch('https://ip-fd.net/api/v1/asn/42576', {
  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/42576', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/42576');
curl_setopt($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/42576", 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.

AS6939	Hurricane Electric LLC HURRICANE
AS15694	Atman Sp. z o.o. ATMAN-ISP-AS
AS201434	CITYSTRADA S.A. CITYSTRADAPL-AS