Report for 203821

Name

IT4-POLSKA, 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 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.

203821 IT4-POLSKA, PL

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS62081         EPIX-WAW-GLOBALMIX, PL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
46473 AS203821       ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  IT4-POLSKA, 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       %
27397 AS203821      IT4-POLSKA, PL                                     3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  91.207.184.0/23      4777 6939 62081 203821 203821 + Announce - aggregate of 91.207.184.0/24 (4777 6939 62081 203821 203821) and 91.207.185.0/24 (4777 6939 62081 203821 203821)
  91.207.184.0/24      4777 6939 62081 203821 203821 - Withdrawn - aggregated with 91.207.185.0/24 (4777 6939 62081 203821 203821)
  91.207.185.0/24      4777 6939 62081 203821 203821 - Withdrawn - aggregated with 91.207.184.0/24 (4777 6939 62081 203821 203821)
  217.28.134.0/24      4777 6939 62081 203821 203821   

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

AS203821   2 More Specifics   3 Total Advertisements   IT4-POLSKA, PL
    91.207.184.0/24               91.207.184.0/23
    91.207.185.0/24               91.207.184.0/23

Whois Entry

whois: 402332

IANA has recorded AS203821 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS203821\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 'AS203113 - AS203887'
             
             as-block:       AS203113 - AS203887
             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:        2024-11-12T15:22:00Z
             last-modified:  2024-11-12T15:22:00Z
             source:         RIPE
             
             % Information related to 'AS203821'
             
             % Abuse contact for 'AS203821' is 'biuro@it4polska.pl'
             
             aut-num:        AS203821
             as-name:        IT4-POLSKA
             org:            ORG-IPSZ8-RIPE
             import:         from AS57608 accept ANY
             export:         to AS57608 announce AS203821
             import:         from AS8545 accept ANY
             export:         to AS8545 announce AS203821
             admin-c:        SH68-RIPE
             tech-c:         SH68-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         DGNET-MNT
             created:        2015-10-23T06:40:24Z
             last-modified:  2020-11-16T17:51:53Z
             source:         RIPE
             sponsoring-org: ORG-ALTA5-RIPE
             
             organisation:   ORG-IPSZ8-RIPE
             org-name:       IT4 Polska Sp. z o.o.
             country:        PL
             org-type:       OTHER
             address:        11 LISTOPADA 40
             address:        07-200 Wyszkow
             address:        Poland
             abuse-c:        AC31882-RIPE
             mnt-ref:        DGNET-MNT
             mnt-by:         DGNET-MNT
             created:        2015-10-22T07:22:27Z
             last-modified:  2022-12-01T17:15:26Z
             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 1.121.2 (BUSA)