Report for 42157

Name

A1BG - A1 Bulgaria EAD, 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.

42157 A1BG - A1 Bulgaria EAD, BG

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS8717          A1BG - A1 Bulgaria EAD, BG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
50058 AS42157        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  A1BG - A1 Bulgaria EAD, 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       %
43234 AS42157       A1BG - A1 Bulgaria EAD, BG                         1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  151.251.64.0/23      4777 2516 1299 8717 42157   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS42157   1 More Specifics   1 Total Advertisements   A1BG - A1 Bulgaria EAD, BG
    151.251.64.0/23               151.251.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS42157 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS42157\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 'AS40960 - AS42171'
             
             as-block:       AS40960 - AS42171
             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:        2024-07-22T14:14:32Z
             last-modified:  2024-07-22T14:14:32Z
             source:         RIPE
             
             % Information related to 'AS42157'
             
             % Abuse contact for 'AS42157' is 'RIPE.Abuse@a1.bg'
             
             aut-num:        AS42157
             as-name:        A1BG
             org:            ORG-MN1-RIPE
             admin-c:        SSS126-RIPE
             tech-c:         SSS126-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         SPNET-MNT
             created:        2006-12-29T10:17:37Z
             last-modified:  2021-05-27T05:50:04Z
             source:         RIPE # Filtered
             
             organisation:   ORG-MN1-RIPE
             org-name:       A1 Bulgaria EAD
             country:        BG
             reg-nr:         131468980
             org-type:       LIR
             address:        1 Kukush Str.
             address:        1309
             address:        Sofia
             address:        BULGARIA
             phone:          +359 884900098
             fax-no:         +359 88 110 3970
             abuse-c:        AR14215-RIPE
             admin-c:        GL12267-RIPE
             mnt-ref:        AS12716-MNT
             mnt-ref:        SPNET-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         AS12716-MNT
             created:        2004-04-17T11:01:14Z
             last-modified:  2026-05-13T07:31:45Z
             source:         RIPE # Filtered
             
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             % Access from your host has been temporarily denied.
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             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)