AS5403 APA-IT Informations Technologie G.m.b.H

Austria AS5403 RIPE 55 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

87,552

IPv6 /48 networks

524,288

RPKI

19 valid37 no ROA

Peers and downstreams

Holder

AS name: AS5403
Description: APA-IT Informations Technologie G.m.b.H
Organisation: APA-IT Informations Technologie G.m.b.H
Registered in: Vienna, Austria
Abuse contact: abuse@apa.at
Assigned: 1995-08-16
Registered: 2002-05-03
Record last changed: 2026-01-09 09:22 UTC

185.85.28.0/22 185.85.28.0/24 185.85.29.0/24 192.111.104.0/24 192.152.54.0/24 192.164.176.0/20 192.164.176.0/24 192.164.178.0/24 192.164.179.0/24 192.164.180.0/24 192.164.182.0/24 192.164.183.0/24 192.164.184.0/24 192.164.185.0/24 192.164.186.0/24 192.164.187.0/24 192.164.188.0/24 192.164.189.0/24 192.164.190.0/24 192.164.191.0/24 192.164.192.0/20 192.164.192.0/24 192.164.193.0/24 192.164.194.0/24 192.164.195.0/24 192.164.196.0/24 192.164.197.0/24 192.164.200.0/24 192.164.201.0/24 192.164.202.0/24 192.164.203.0/24 192.164.204.0/24 192.164.205.0/24 192.164.206.0/24 192.164.207.0/24 192.5.162.0/24 193.186.0.0/24 193.186.188.0/22 194.107.60.0/22 194.107.64.0/22 194.107.68.0/23 194.158.128.0/19 194.158.132.0/24 194.232.0.0/16 194.232.104.0/24 194.232.112.0/24 194.232.116.0/24 194.232.142.0/23 194.232.194.0/24 194.232.200.0/24 194.232.42.0/24 194.232.48.0/24 194.232.66.0/24 194.232.69.0/24 194.232.72.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 73/100

partly	Prefixes covered by valid ROAs 19 of 56 announced prefixes are RPKI valid, 37 have no ROA.	8/25
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 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@apa.at 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 2026-01-09.	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/5403"><img src="https://ip-fd.net/badge/asn/5403/health.svg" alt="AS5403 network health on IP-FD.net"></a>

Markdown

[![AS5403 network health](https://ip-fd.net/badge/asn/5403/health.svg)](https://ip-fd.net/asn/5403)

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

Routing changes

Last 30 days

2026-10-04 16:10 UTC	Relationship changed	AS9498	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 16:10 UTC	New neighbour	AS6939	peer
2026-10-04 16:10 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS3303	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS1853	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 16:10 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS5403
as-name:        AS5403
org:            ORG-AAPA1-RIPE
remarks:        
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remarks:        Upstream
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remarks:        ------------------------------
remarks:        Route-Server Peerings at the Vienna Internet Exchange (VIX)
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        Route-Server Peerings at the Vienna Internet Exchange (VIX)
remarks:        ------------------------------
remarks:        ------------------------------
remarks:        Route-Server Peerings at the Vienna Internet Exchange (VIX)
remarks:        ------------------------------
admin-c:        AN6666-RIPE
tech-c:         AN6666-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5403-MNT
remarks:        ========================================
remarks:        for any routing requests noc@apa.at
remarks:        E-Mails to the persons will be IGNORED!!!
remarks:        ========================================
created:        2002-05-03T10:05:30Z
last-modified:  2026-01-09T09:22:19Z
source:         RIPE
% 660 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/5403

const res = await fetch('https://ip-fd.net/api/v1/asn/5403', {
  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/5403', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/5403');
curl_setopt($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/5403", 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.

AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS3356	Level 3 Parent, LLC LEVEL3

AS3190	3-S-IT Dienstleistungen GmbH DREI-S-AS
AS34183	Bundesministerium f. Gesundheit BMG
AS199216	Compass-Verlag GmbH COMPASS-AS
AS208740	Bundesministerium fuer europaeische und internationale Angelegenheiten AT-BMEIA

AS1853	ACONET ACOnet
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6720	Magistrat der Stadt Wien, Magistratsabteilung 01 MAGWIEN
AS6939	Hurricane Electric LLC HURRICANE
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8220	COLT Technology Services Group Limited COLT
AS9002	RETN Limited RETN-AS
AS9498	BHARTI Airtel Ltd. BBIL-AP
AS13004	Serbian Open Exchange DOO SOX
AS13030	Init7 (Switzerland) Ltd. INIT7
AS13237	euNetworks GmbH LAMBDANET-AS
AS14840	BR.Digital Telecom AS14840
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34183	Bundesministerium f. Gesundheit BMG
AS34288	Kantonsschule Zug AS34288
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation LINZAG-TELEKOM-AS
AS40994	Hohl IT e.U. Alwyzon
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48362	Tkswf TKSWF-AS
AS49544	i3D.net B.V i3Dnet
AS50629	LWLcom GmbH LWLCOM
AS51184	Fonira Telekom GmbH FONIRA
AS59890	Kabel-TV Lampert GmbH & Co KG Kabel-TV-Lampert
AS198150	SIACOM JSC SIACOM-AS
AS199216	Compass-Verlag GmbH COMPASS-AS
AS208740	Bundesministerium fuer europaeische und internationale Angelegenheiten AT-BMEIA
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS215628	Xenox IT & Kommunikations GmbH AS-XENOX-AT
AS264409	Huge Solucoes Corporativas Ltda AS264409