RDAP / Whois lookup

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

AS43037

Record foundRIPE NCC

SEZNAM-CZ

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

Queried at11/7/2026, 16:47:04Local 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: 5/29/2007, 08:00:03
Last changed: 11/15/2017, 09:48:45

Resource rangeAS43037 – AS43037Autonomous system

Resource records1ASN count

Public contacts5Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: AS43037
Name: SEZNAM-CZ
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: AS43037 – AS43037
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

Registrant

Seznam.cz, a.s.ORG-Sa508-RIPE

+420234694111+420234694115

Radlicka 3294/10 · 15000 · Prague 5 · CZECH REPUBLIC

Registrant

ORG-NCC1-RIPERIPE-NCC-END-MNT

Not provided by registry

Registrant

SEZNAM-MNTSEZNAM-MNT

Not provided by registry

AdministrativeTechnical

Seznam.cz IT departmentSZN5-RIPE

abuse@seznam.cz+420 602 126 570

Radlicka 3294/10 150 00 Prague 5 Czech Republic

Abuse

abuse departmentAD10910-RIPE

abuse@seznam.cz

Radlicka 3294/10, Prague 5, Czech Republic

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	11/15/2017, 09:48:45	Not provided by registry
Registration	5/29/2007, 08:00:03	Not provided by registry

Terms and remarks

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

4 notices

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