RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

AS5403

Record foundRIPE NCC

AS5403

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at10/22/2026, 19:22:38Local authoritative snapshot

ASN profile Network topology BGP routes

Resource type: Autonomous system
Registry: RIPE NCC
Registration country / region: Not provided by registry
Registration status: Active
Registered at: 5/3/2002, 10:05:30
Last changed: 10/6/2026, 07:03:46

Resource rangeAS5403 – AS5403Autonomous system

Resource records1ASN count

Public contacts5Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: AS5403
Name: AS5403
Allocation type: Not provided by registry
Parent handle: Not provided by registry
Whois server: whois.ripe.net
Authoritative RDAP host: rdap.db.ripe.net

Address and number range

Resource range: AS5403 – AS5403
Address family: Not applicable
Resource records: Not applicable

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

5 entities

AdministrativeTechnical

APA Network AdminAN6666-RIPE

+43 (1) 36060 6666

APA - IT Informations Technologie GmbH · Laimgrubengasse 10 · A-1060 Vienna

Registrant

AS5403-MNTAS5403-MNT

Not provided by registry

Registrant

APA-IT Informations Technologie G.m.b.HORG-AAPA1-RIPE

+431360606666+431360606699

Laimgrubengasse 10 · 1060 · Vienna · AUSTRIA

Registrant

ORG-NCC1-RIPERIPE-NCC-END-MNT

Not provided by registry

Abuse

APA Abuse ContactAAC65-RIPE

abuse@apa.at

APA - IT Informations Technologie GmbH · Laimgrubengasse 10 · A-1060 Vienna

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	10/6/2026, 07:03:46	Not provided by registry
Registration	5/3/2002, 10:05:30	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

5 notices

Registry notice========================================== Upstream Customer Private Peerings Peerings at VIX ------------------------------ Route-Server Peerings at the Vienna Internet Exchange (VIX) ======================================== for any routing requests noc@apa.at E-Mails to the persons will be IGNORED!!!

FilteredThis output has been filtered.

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

SourceObjects returned came from source RIPE

Terms and ConditionsThis is the RIPE Database query service. The objects are in RDAP format.

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: RIPE NCC · rdap.db.ripe.net