Report for 203121

Name

YZA-AS, RU

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.

203121 YZA-AS, RU

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS24875         NOVOSERVE-AS, NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
70639 AS203121       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  YZA-AS, RU

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       %
61847 AS203121      YZA-AS, RU                                         1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.137.86.0/24       4608 1221 4637 6461 1299 24875 203121   

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

AS203121   1 More Specifics   1 Total Advertisements   YZA-AS, RU
    45.137.86.0/24                45.137.84.0/22

Whois Entry

whois: 402332

IANA has recorded AS203121 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203121\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 'AS203113 - AS203887'
             
             as-block:       AS203113 - AS203887
             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:        2024-11-12T15:22:00Z
             last-modified:  2024-11-12T15:22:00Z
             source:         RIPE
             
             % Information related to 'AS203121'
             
             % Abuse contact for 'AS203121' is 'naixv2.0@gmail.com'
             
             aut-num:        AS203121
             as-name:        YZA-AS
             org:            ORG-YZA1-RIPE
             sponsoring-org: ORG-LNL43-RIPE
             import:         from AS16276 accept ANY
             export:         to AS16276 announce AS203121
             import:         from AS6939 accept ANY
             export:         to AS6939 announce AS203121
             import:         from AS24875 accept ANY
             export:         to AS24875 announce AS203121
             admin-c:        ACRO64284-RIPE
             tech-c:         ACRO64284-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         LocalNCC-mnt
             created:        2026-04-20T09:43:20Z
             last-modified:  2026-04-22T11:52:34Z
             source:         RIPE
             
             organisation:   ORG-YZA1-RIPE
             org-name:       Yusupbekov Zarbev Alipbekovich
             org-type:       OTHER
             address:        368501, Izberbash, st. Yusupova 123
             country:        RU
             reg-nr:         Not Applicable
             abuse-c:        ACRO64284-RIPE
             mnt-ref:        LocalNCC-mnt
             created:        2026-04-16T15:01:58Z
             last-modified:  2026-04-29T07:37:55Z
             source:         RIPE # Filtered
             mnt-by:         LocalNCC-mnt
             
             role:           Abuse contact role object
             address:        368501, Izberbash, st. Yusupova 123
             abuse-mailbox:  naixv2.0@gmail.com
             nic-hdl:        ACRO64284-RIPE
             mnt-by:         LocalNCC-mnt
             created:        2026-04-16T15:01:31Z
             last-modified:  2026-04-16T15:01:58Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122 (ABERDEEN)