Report for 48049

Name

KRZN-AS - Kommunales Rechenzentrum Niederrhein, 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.

48049 KRZN-AS - Kommunales Rechenzentrum Niederrhein, DE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3320          DTAG - Deutsche Telekom AG, DE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10093 AS48049        ORIGIN  Originate:      10240 /18.68  Transit:          0 /0.00  KRZN-AS - Kommunales Rechenzentrum Niederrhein, 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       %
10356 AS48049       KRZN-AS - Kommunales Rechenzentrum Niederrhei      6      4      0      2      4  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  194.77.236.0/22      4777 2516 3320 48049   
  194.77.236.0/23      4777 2516 3320 48049 - Withdrawn - matching aggregate 194.77.236.0/22 4777 2516 3320 48049
  194.77.238.0/23      4777 2516 3320 48049 - Withdrawn - matching aggregate 194.77.236.0/22 4777 2516 3320 48049
  194.77.240.0/20      4777 2516 3320 48049   
  194.77.240.0/21      4777 2516 3320 48049 - Withdrawn - matching aggregate 194.77.240.0/20 4777 2516 3320 48049
  194.77.248.0/21      4777 2516 3320 48049 - Withdrawn - matching aggregate 194.77.240.0/20 4777 2516 3320 48049

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

AS48049   4 More Specifics   6 Total Advertisements   KRZN-AS - Kommunales Rechenzentrum Niederrhein, DE
    194.77.236.0/23               194.77.236.0/22
    194.77.238.0/23               194.77.236.0/22
    194.77.240.0/21               194.77.240.0/20
    194.77.248.0/21               194.77.240.0/20

Whois Entry

whois: 402613

IANA has recorded AS48049 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS48049\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 'AS48049'
             
             % Abuse contact for 'AS48049' is 'auftrag@nic.telekom.de'
             
             aut-num:        AS48049
             as-name:        KRZN-AS
             org:            ORG-KRZN1-RIPE
             import:         from AS3320 accept ANY
             import:         from AS8881 accept ANY
             export:         to AS3320 announce AS48049
             export:         to AS8881 announce AS48049
             admin-c:        JM4444-RIPE
             tech-c:         CK1099-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         KRZN-MNT
             mnt-by:         DTAG-NIC
             created:        2008-10-02T15:52:33Z
             last-modified:  2018-09-04T10:36:09Z
             source:         RIPE
             sponsoring-org: ORG-DTA2-RIPE
             
             organisation:   ORG-KRZN1-RIPE
             org-name:       Kommunales Rechenzentrum Niederrhein
             country:        DE
             reg-nr:         Not Applicable
             org-type:       OTHER
             address:        Friedrich-Heinrich-Allee 130
             address:        DE 47475 Kamp-Lintfort
             abuse-c:        AR28367-RIPE
             mnt-ref:        KRZN-MNT
             mnt-by:         KRZN-MNT
             mnt-by:         DTAG-NIC
             created:        2008-10-01T12:33:41Z
             last-modified:  2026-05-13T05:21:43Z
             source:         RIPE # Filtered
             
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