RDAP / Whois lookup

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

AS42157

Record foundRIPE NCC

A1BG

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

Queried at11/5/2026, 00:00:35Local 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: 12/29/2006, 10:17:37
Last changed: 5/27/2021, 05:50:04

Resource rangeAS42157 – AS42157Autonomous system

Resource records1ASN count

Public contacts6Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: AS42157
Name: A1BG
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: AS42157 – AS42157
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.

6 entities

Registrant

A1 Bulgaria EADORG-MN1-RIPE

+359 884900098+359 88 110 3970

1 Kukush Str. · 1309 · Sofia · BULGARIA

Registrant

ORG-NCC1-RIPERIPE-NCC-END-MNT

Not provided by registry

Registrant

ORG-MN1-RIPESPNET-MNT

Not provided by registry

AdministrativeTechnical

ORG-IL1-RIPESSS126-RIPE

+359 88220

Bulgaria, Sofia, 1 Kukush street, area Ilinden, building M7

Abuse

A1 Bulgaria EAD AbuseAR14215-RIPE

RIPE.Abuse@a1.bg

1 Kukush Str. 1345 · Sofia · Bulgaria

Registrant

ORG-MN1-RIPEAS12716-MNT

Not provided by registry

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	5/27/2021, 05:50:04	Not provided by registry
Registration	12/29/2006, 10:17:37	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