Report for 51853

Name

Sorgenia-as-number - Sorgenia Spa, IT

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.

51853 Sorgenia-as-number - Sorgenia Spa, IT

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3302          AS-RETELIT-IRIDEOS - Retelit Digital Services S.p.A., IT

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
64205 AS51853        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  Sorgenia-as-number - Sorgenia Spa, IT

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       %
47374 AS51853       Sorgenia-as-number - Sorgenia Spa, IT              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  91.220.4.0/24        4608 7575 3356 3302 51853   

Whois Entry

whois: 402628

IANA has recorded AS51853 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51853\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 'AS51845 - AS51855'
             
             as-block:       AS51845 - AS51855
             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:        2026-02-02T15:31:00Z
             last-modified:  2026-02-02T15:31:00Z
             source:         RIPE
             
             % Information related to 'AS51853'
             
             % Abuse contact for 'AS51853' is 'ripe@sorgenia.it'
             
             aut-num:        AS51853
             as-name:        Sorgenia-as-number
             org:            ORG-SS163-RIPE
             import:         from AS3302 accept ANY
             import:         from AS28716 accept ANY
             export:         to AS3302 announce AS51853
             export:         to AS28716 announce AS51853
             sponsoring-org: ORG-ES264-RIPE
             admin-c:        STS230-RIPE
             tech-c:         STS230-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         SORGENIA-MNT
             created:        2010-11-16T09:50:51Z
             last-modified:  2025-02-19T13:30:34Z
             source:         RIPE # Filtered
             
             organisation:   ORG-SS163-RIPE
             org-name:       Sorgenia Spa
             country:        IT
             reg-nr:         12874490159
             org-type:       OTHER
             address:        via A. Algardi 4 - 20148 MILANO
             admin-c:        RB48692-RIPE
             admin-c:        MM60612-RIPE
             abuse-c:        STS230-RIPE
             mnt-ref:        SORGENIA-MNT
             mnt-by:         SORGENIA-MNT
             created:        2010-10-04T13:47:05Z
             last-modified:  2026-05-13T06:36:19Z
             source:         RIPE # Filtered
             
             role:           Sorgenia Tech Staff
             address:        Sorgenia Spa
             address:        Via Algardi 4
             address:        I-20128 Milano
             remarks:        Role account for Sorgenia
             admin-c:        RB48692-RIPE
             admin-c:        MM60612-RIPE
             tech-c:         FP16675-RIPE
             tech-c:         EB15070-RIPE
             nic-hdl:        STS230-RIPE
             abuse-mailbox:  ripe@sorgenia.it
             mnt-by:         SORGENIA-MNT
             created:        2025-02-07T16:02:02Z
             last-modified:  2025-02-07T16:38:57Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)