Report for 15831

Name

ASN-NETVALLEY - SPIKE REPLY S.R.L., 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.

15831 ASN-NETVALLEY - SPIKE REPLY S.R.L., IT

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS12874         FASTWEB - Fastweb SpA, IT

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34979 AS15831        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  ASN-NETVALLEY - SPIKE REPLY S.R.L., 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       %
21152 AS15831       ASN-NETVALLEY - SPIKE REPLY S.R.L., IT             2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  91.218.224.0/22      4608 7575 3303 12874 15831 + Announce - aggregate of 91.218.224.0/23 (4608 7575 3303 12874 15831) and 91.218.226.0/23 (4608 7575 3303 12874 15831)
  91.218.224.0/23      4608 7575 3303 12874 15831 - Withdrawn - aggregated with 91.218.226.0/23 (4608 7575 3303 12874 15831)
  91.218.226.0/23      4608 7575 3303 12874 15831 - Withdrawn - aggregated with 91.218.224.0/23 (4608 7575 3303 12874 15831)

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

AS15831   2 More Specifics   2 Total Advertisements   ASN-NETVALLEY - SPIKE REPLY S.R.L., IT
    91.218.224.0/23               91.218.224.0/22
    91.218.226.0/23               91.218.224.0/22

Whois Entry

whois: 402603

IANA has recorded AS15831 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15831\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 'AS15826 - AS15833'
             
             as-block:       AS15826 - AS15833
             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:        2018-11-22T15:27:25Z
             last-modified:  2018-11-22T15:27:25Z
             source:         RIPE
             
             % Information related to 'AS15831'
             
             % Abuse contact for 'AS15831' is 'cert-it@communicationvalley.it'
             
             aut-num:        AS15831
             as-name:        ASN-NETVALLEY
             org:            ORG-SRs21-RIPE
             import:         from AS8220 action pref=100; accept ANY
             import:         from AS12874 action pref=100; accept ANY
             export:         to AS8220 announce AS15831
             export:         to AS12874 announce AS15831
             admin-c:        CVN54-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             tech-c:         CVN54-RIPE
             tech-c:         MD27282-RIPE
             mnt-by:         NETVALLEY-MNT
             created:        2003-03-26T15:53:56Z
             last-modified:  2021-09-02T15:52:57Z
             source:         RIPE # Filtered
             
             organisation:   ORG-SRs21-RIPE
             org-name:       SPIKE REPLY S.R.L.
             country:        IT
             reg-nr:         08472690018
             org-type:       LIR
             address:        Via Robert Koch, 1/4
             address:        20152
             address:        Milano
             address:        ITALY
             phone:          +390253576099
             mnt-ref:        NETVALLEY-MNT
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         NETVALLEY-MNT
             admin-c:        CVN54-RIPE
             admin-c:        PB13258-RIPE
             abuse-c:        AR15882-RIPE
             created:        2010-06-16T11:36:56Z
             last-modified:  2026-05-13T07:24:28Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % 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)