Report for 50331

Name

CITYNET - CITYNET Sp.z o.o., PL

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.

50331 CITYNET, PL

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE GTT, US
    AS9002          RETN-AS, GB
    AS6939          HURRICANE, US
    AS16342         TOYA TOYA Sp. z o.o., PL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22607 AS50331        ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  CITYNET, PL

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       %
17086 AS50331       CITYNET, PL                                        3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  178.217.192.0/21     6939 50331 50331       
  178.217.196.0/24     6939 50331 50331     - Withdrawn - matching aggregate 178.217.192.0/21 6939 50331 50331
  178.217.197.0/24     6939 50331 50331     - Withdrawn - matching aggregate 178.217.192.0/21 6939 50331 50331

Whois Entry

whois: 402549

IANA has recorded AS50331 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS50331\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 'AS50220 - AS50841'
             
             as-block:       AS50220 - AS50841
             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:        2024-08-12T14:10:44Z
             last-modified:  2024-08-12T14:10:44Z
             source:         RIPE
             
             % Information related to 'AS50331'
             
             % Abuse contact for 'AS50331' is 'isp@insite.pl'
             
             aut-num:        AS50331
             as-name:        CITYNET
             remarks:        CITYNET
             org:            ORG-CA1002-RIPE
             import:         from AS33951 accept ANY
             import:         from AS43435 accept ANY
             export:         to AS33951 announce AS50331
             export:         to AS43435 announce AS50331
             admin-c:        TP1292-RIPE
             tech-c:         TP1292-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MNT-INSITE-SPZOO
             created:        2009-12-21T09:12:57Z
             last-modified:  2018-09-04T10:47:11Z
             source:         RIPE # Filtered
             sponsoring-org: ORG-ISZO9-RIPE
             
             organisation:   ORG-CA1002-RIPE
             org-name:       CITYNET Sp.z o.o.
             country:        PL
             reg-nr:         100067018
             org-type:       OTHER
             address:        Staszica 9, Brzeziny
             abuse-c:        AR25874-RIPE
             mnt-ref:        MNT-INSITE-SPZOO
             mnt-by:         MNT-INSITE-SPZOO
             created:        2009-12-17T01:07:05Z
             last-modified:  2026-05-13T05:11:25Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)