Report for 204723

Name

HACON - HaCon Ingenieurgesellschaft mbH, DE

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.

204723 HACON - HaCon Ingenieurgesellschaft mbH, DE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS12306         PLUSLINE - Plus.line AG, DE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
71181 AS204723       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  HACON - HaCon Ingenieurgesellschaft mbH, DE

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       %
62889 AS204723      HACON - HaCon Ingenieurgesellschaft mbH, DE        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  213.83.5.0/24        4608 7575 2914 12306 204723   

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

AS204723   1 More Specifics   1 Total Advertisements   HACON - HaCon Ingenieurgesellschaft mbH, DE
    213.83.5.0/24                 213.83.0.0/18

Whois Entry

whois: 402625

IANA has recorded AS204723 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204723\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 'AS203940 - AS205662'
             
             as-block:       AS203940 - AS205662
             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:        2026-03-05T15:29:31Z
             last-modified:  2026-03-05T15:29:31Z
             source:         RIPE
             
             % Information related to 'AS204723'
             
             % Abuse contact for 'AS204723' is 'support@hacon.de'
             
             aut-num:        AS204723
             as-name:        HACON
             org:            ORG-HIM4-RIPE
             import:         from AS12306 accept ANY
             export:         to AS12306 announce AS204723
             import:         from AS3320 accept ANY
             export:         to AS3320 announce AS204723
             admin-c:        KF2239-RIPE
             tech-c:         PLN
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         PLUSLINE-MNT
             created:        2018-01-22T10:29:00Z
             last-modified:  2020-11-16T17:52:22Z
             source:         RIPE
             sponsoring-org: ORG-PSG2-RIPE
             
             organisation:   ORG-HIM4-RIPE
             org-name:       HaCon Ingenieurgesellschaft mbH
             country:        DE
             reg-nr:         District court Hannover HRB 1712
             org-type:       OTHER
             address:        Lister Str. 15
             address:        30163 Hannover
             address:        Germany
             abuse-c:        ACRO12613-RIPE
             mnt-ref:        PLUSLINE-MNT
             mnt-by:         PLUSLINE-MNT
             created:        2017-12-22T14:47:50Z
             last-modified:  2026-05-13T05:13:04Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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             % Access from your host has been temporarily denied.
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             % 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 (ABERDEEN)