Report for 48746

Name

ATSA-BG - Air Traffic Services Authority, BG

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

48746 ATSA-BG - Air Traffic Services Authority, BG

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS205132        BTC-SEC-AS - Vivacom Bulgaria EAD, BG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
63593 AS48746        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  ATSA-BG - Air Traffic Services Authority, BG

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
45963 AS48746       ATSA-BG - Air Traffic Services Authority, BG       1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  91.212.37.0/24       4608 1221 4637 3223 205132 48746   

Whois Entry

whois: 402603

IANA has recorded AS48746 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS48746\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             % Note: this output has been filtered.
             
             % Information related to 'AS47870 - AS49384'
             
             as-block:       AS47870 - AS49384
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2025-07-09T08:51:07Z
             last-modified:  2025-07-09T08:51:07Z
             source:         RIPE
             
             % Information related to 'AS48746'
             
             % Abuse contact for 'AS48746' is 'emil.kostadinov@bulatsa.com'
             
             aut-num:        AS48746
             as-name:        ATSA-BG
             org:            ORG-ATSA2-RIPE
             import:         from AS8866 action pref=100; accept ANY
             import:         from AS43561 action pref=100; accept ANY
             import:         from AS8717 action pref=100; accept ANY
             export:         to AS8866 announce AS48746
             export:         to AS43561 announce AS48746
             export:         to AS8717 announce AS48746
             default:        to AS8866 action pref=100; networks ANY
             admin-c:        PM523-RIPE
             tech-c:         PM523-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         BT95-ADM
             created:        2009-01-29T14:00:46Z
             last-modified:  2018-09-04T10:39:12Z
             source:         RIPE # Filtered
             sponsoring-org: ORG-BTCP1-RIPE
             
             organisation:   ORG-ATSA2-RIPE
             org-name:       Air Traffic Services Authority
             country:        BG
             reg-nr:         Not Applicable
             org-type:       OTHER
             address:        Bulgaria
             address:        1 Brussels blvd., BG-1540
             address:        Sofia
             abuse-c:        AR22052-RIPE
             mnt-ref:        BT95-ADM
             mnt-by:         BT95-ADM
             created:        2009-01-26T11:27:19Z
             last-modified:  2026-05-13T06:40:02Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)