Report for 200402

Name

siro-de-as - Sirona Dental Systems GmbH, 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.

200402 siro-de-as - Sirona Dental Systems GmbH, DE

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS8220          COLT - COLT Technology Services Group Limited, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29440 AS200402       ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  siro-de-as - Sirona Dental Systems GmbH, 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       %
18479 AS200402      siro-de-as - Sirona Dental Systems GmbH, DE        4      3      1      2      2  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.84.56.0/22       4608 7575 2914 200402   
  185.84.56.0/23       4777 2516 8220 200402 + Announce - aggregate of 185.84.56.0/24 (4777 2516 8220 200402) and 185.84.57.0/24 (4777 2516 8220 200402)
  185.84.56.0/24       4777 2516 8220 200402 - Withdrawn - aggregated with 185.84.57.0/24 (4777 2516 8220 200402)
  185.84.57.0/24       4777 2516 8220 200402 - Withdrawn - aggregated with 185.84.56.0/24 (4777 2516 8220 200402)
  185.84.58.0/24       4608 7575 2914 200402 - Withdrawn - matching aggregate 185.84.56.0/22 4608 7575 2914 200402

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

AS200402   3 More Specifics   4 Total Advertisements   siro-de-as - Sirona Dental Systems GmbH, DE
    185.84.56.0/24                185.84.56.0/22
    185.84.57.0/24                185.84.56.0/22
    185.84.58.0/24                185.84.56.0/22

Whois Entry

whois: 402603

IANA has recorded AS200402 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS200402\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 'AS200352 - AS200535'
             
             as-block:       AS200352 - AS200535
             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:        2026-04-08T13:28:00Z
             last-modified:  2026-04-08T13:28:00Z
             source:         RIPE
             
             % Information related to 'AS200402'
             
             % Abuse contact for 'AS200402' is 'Global.Networking@dentsplysirona.com'
             
             aut-num:        AS200402
             as-name:        siro-de-as
             org:            ORG-SDSG1-RIPE
             import:         from AS2914 accept ANY
             import:         from AS8220 accept ANY
             export:         to AS8220 announce AS200402
             export:         to AS2914 announce AS200402
             admin-c:        SA32678-RIPE
             tech-c:         SA32678-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         SIRONA-MNT
             created:        2018-07-25T12:10:53Z
             last-modified:  2022-04-21T09:37:50Z
             source:         RIPE # Filtered
             
             organisation:   ORG-SDSG1-RIPE
             org-name:       Sirona Dental Systems GmbH
             country:        DE
             reg-nr:         District court Darmstadt HRB 24948
             org-type:       LIR
             address:        Fabrikstr. 31
             address:        64625
             address:        Bensheim
             address:        GERMANY
             phone:          +4906251160
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        SIRONA-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         SIRONA-MNT
             abuse-c:        SA32678-RIPE
             created:        2015-01-07T11:00:33Z
             last-modified:  2026-05-13T07:25:27Z
             source:         RIPE # Filtered
             
             role:           SIRONA-ADMINS
             address:        Sirona Dental Systems GmbH
             address:        Fabrikstr. 31
             address:        64625 Bensheim
             admin-c:        JK13917-RIPE
             nic-hdl:        SA32678-RIPE
             mnt-by:         SIRONA-MNT
             created:        2015-01-08T16:11:37Z
             last-modified:  2018-11-14T15:40:00Z
             source:         RIPE # Filtered
             abuse-mailbox:  Global.Networking@dentsplysirona.com
             tech-c:         KH4868-RIPE
             tech-c:         MO6779-RIPE
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)