Report for 51923

Name

NBA-AS - 'Nothing But Air' Services B.V., NL

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 AS6447) 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.

51923 NBA-AS, NL

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS31477         DUOCAST-AS, NL
  Downstream Adjacent AS list
    AS16074         CAPGEMINI_OUTSOURCING_, NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
78515 AS51923        TRANSIT Originate:          0 /0.00   Transit:      90112 /15.54 NBA-AS, NL

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

AS51923   4 More Specifics   4 Total Advertisements   NBA-AS, NL
    93.184.99.0/24                93.184.96.0/20
    93.184.102.0/24               93.184.96.0/20
    93.184.103.0/24               93.184.96.0/20
    93.184.104.0/24               93.184.96.0/20

Whois Entry

whois: 402590

IANA has recorded AS51923 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51923\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 'AS51857 - AS52209'
             
             as-block:       AS51857 - AS52209
             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:        2024-12-12T14:34:06Z
             last-modified:  2024-12-12T14:34:06Z
             source:         RIPE
             
             % Information related to 'AS51923'
             
             % Abuse contact for 'AS51923' is 'abuse@duocast.nl'
             
             aut-num:        AS51923
             as-name:        NBA-AS
             org:            ORG-BASB1-RIPE
             import:         from AS31477 accept ANY
             export:         to AS31477 announce ANY
             import:         from AS3549 accept ANY
             export:         to AS3549 announce ANY
             admin-c:        DW2018-RIPE
             tech-c:         DW2018-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-DUOCAST
             created:        2010-11-30T10:31:17Z
             last-modified:  2018-09-04T10:56:22Z
             source:         RIPE
             sponsoring-org: ORG-DA16-RIPE
             
             organisation:   ORG-BASB1-RIPE
             org-name:       'Nothing But Air' Services B.V.
             country:        NL
             reg-nr:         34102360
             org-type:       OTHER
             address:        Haaksbergweg 41
             address:        1101 BR AMSTERDAM
             address:        The Netherlands
             abuse-c:        AR28942-RIPE
             mnt-ref:        MNT-DUOCAST
             mnt-by:         MNT-DUOCAST
             created:        2010-11-29T09:25:29Z
             last-modified:  2026-05-13T06:13:37Z
             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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             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)