AS35339 AtNOC GmbH

Austria CZ-AS RIPE 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

3,584

IPv6 /48 networks

65,536

RPKI

0 valid4 no ROA

Peers and downstreams

Holder

AS name: CZ-AS
Description: AtNOC GmbH
Organisation: AtNOC GmbH
Registered in: Vienna, Austria
Abuse contact: abuse@atnoc.net
Assigned: 2005-07-18
Registered: 2005-07-19
Record last changed: 2023-05-10 08:38 UTC

185.65.232.0/22 193.239.188.0/23 95.129.200.0/21

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 4 announced prefixes are RPKI valid, 4 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 5 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@atnoc.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
fail	Registry record maintained Last changed 2023-05-10.	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/35339"><img src="https://ip-fd.net/badge/asn/35339/health.svg" alt="AS35339 network health on IP-FD.net"></a>

Markdown

[![AS35339 network health](https://ip-fd.net/badge/asn/35339/health.svg)](https://ip-fd.net/asn/35339)

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

Routing changes

Last 30 days

2026-10-04 13:55 UTC	Neighbour gone	AS1764	upstream
2026-10-04 13:55 UTC	Neighbour gone	AS1121	upstream
2026-10-04 13:55 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS47147	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS3303	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS1853	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS15935	upstream to peer
2026-10-04 13:55 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 13:55 UTC	Prefix gone	2001:67c:1974::/48

WHOIS

aut-num:        AS35339
as-name:        CZ-AS
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        VIX Peerings (without route-server)
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        Route-Server Peerings at the Vienna Internet Exchange (VIX)
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        End Route-Server Peerings at the Vienna Internet Exchange (VIX)
remarks:        ------------------------------
org:            ORG-AG384-RIPE
sponsoring-org: ORG-AG46-RIPE
admin-c:        ANOC11-RIPE
tech-c:         ANOC11-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ATNOC
created:        2005-07-19T09:55:20Z
last-modified:  2023-05-10T08:38:27Z
source:         RIPE
% 188 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/35339

const res = await fetch('https://ip-fd.net/api/v1/asn/35339', {
  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/35339', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/35339');
curl_setopt($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/35339", 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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