Report for 20545

Name

GRENA-AS Tbilisi, Georgia, GE

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.

20545 GRENA-AS Tbilisi, Georgia, GE

  Adjacency:     5  Upstream:     3  Downstream:     2
  Upstream Adjacent AS list
    AS35805         SILKNET-AS Silknet Autonomous System, GE
    AS20965         GEANT The GEANT IP Service, NL
    AS174           COGENT-174 - Cogent Communications, LLC, US
  Downstream Adjacent AS list
    AS29289         GTU, GE
    AS47575         TSU, GE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9750  AS20545        ORG+TRN Originate:      11008 /18.57  Transit:       1024 /22.00 GRENA-AS Tbilisi, Georgia, GE

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       %
 4258 AS20545       GRENA-AS Tbilisi, Georgia, GE                     21     15      3      9     12  57.14%


  Prefix               AS Path                              Aggregation Suggestion
  109.205.40.0/22      4777 2516 174 20545 20545 20545   
  109.205.44.0/24      4777 2516 174 20545 20545 20545   
  185.212.252.0/22     4777 2497 174 20545 20545 20545   
  217.147.224.0/20     4608 7575 20965 20545   
  217.147.224.0/21     4777 2497 174 20545 20545 20545 + Announce - aggregate of 217.147.224.0/22 (4777 2497 174 20545 20545 20545) and 217.147.228.0/22 (4777 2497 174 20545 20545 20545)
  217.147.224.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.225.0/24 (4777 2497 174 20545 20545 20545)
  217.147.225.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.224.0/24 (4777 2497 174 20545 20545 20545)
  217.147.226.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.227.0/24 (4777 2497 174 20545 20545 20545)
  217.147.227.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.226.0/24 (4777 2497 174 20545 20545 20545)
  217.147.228.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.229.0/24 (4777 2497 174 20545 20545 20545)
  217.147.229.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.228.0/24 (4777 2497 174 20545 20545 20545)
  217.147.230.0/23     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.228.0/23 (4777 2497 174 20545 20545 20545)
  217.147.230.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - matching aggregate 217.147.230.0/23 4777 2497 174 20545 20545 20545
  217.147.231.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - matching aggregate 217.147.230.0/23 4777 2497 174 20545 20545 20545
  217.147.232.0/23     4777 2497 174 20545 20545 20545 + Announce - aggregate of 217.147.232.0/24 (4777 2497 174 20545 20545 20545) and 217.147.233.0/24 (4777 2497 174 20545 20545 20545)
  217.147.232.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.233.0/24 (4777 2497 174 20545 20545 20545)
  217.147.233.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.232.0/24 (4777 2497 174 20545 20545 20545)
  217.147.234.0/24     4777 2516 174 20545 20545 20545   
  217.147.235.0/24     4777 2497 174 20545 20545 20545   
  217.147.236.0/22     4777 2497 174 20545 20545 20545 + Announce - aggregate of 217.147.236.0/23 (4777 2497 174 20545 20545 20545) and 217.147.238.0/23 (4777 2497 174 20545 20545 20545)
  217.147.236.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.237.0/24 (4777 2497 174 20545 20545 20545)
  217.147.237.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.236.0/24 (4777 2497 174 20545 20545 20545)
  217.147.238.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.239.0/24 (4777 2497 174 20545 20545 20545)
  217.147.239.0/24     4777 2497 174 20545 20545 20545 - Withdrawn - aggregated with 217.147.238.0/24 (4777 2497 174 20545 20545 20545)

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

AS20545   19 More Specifics   21 Total Advertisements   GRENA-AS Tbilisi, Georgia, GE
    109.205.40.0/22               109.205.40.0/21
    109.205.44.0/24               109.205.40.0/21
    217.147.224.0/24              217.147.224.0/20
    217.147.225.0/24              217.147.224.0/20
    217.147.226.0/24              217.147.224.0/20
    217.147.227.0/24              217.147.224.0/20
    217.147.228.0/24              217.147.224.0/20
    217.147.229.0/24              217.147.224.0/20
    217.147.230.0/23              217.147.224.0/20
    217.147.230.0/24              217.147.224.0/20
    217.147.231.0/24              217.147.224.0/20
    217.147.232.0/24              217.147.224.0/20
    217.147.233.0/24              217.147.224.0/20
    217.147.234.0/24              217.147.224.0/20
    217.147.235.0/24              217.147.224.0/20
    217.147.236.0/24              217.147.224.0/20
    217.147.237.0/24              217.147.224.0/20
    217.147.238.0/24              217.147.224.0/20
    217.147.239.0/24              217.147.224.0/20

Whois Entry

whois: 402332

IANA has recorded AS20545 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20545\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 'AS20485 - AS20857'
             
             as-block:       AS20485 - AS20857
             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:        2018-11-22T15:27:27Z
             last-modified:  2018-11-22T15:27:27Z
             source:         RIPE
             
             % Information related to 'AS20545'
             
             % Abuse contact for 'AS20545' is 'contact@grena.ge'
             
             aut-num:        AS20545
             org:            ORG-GRaE1-RIPE
             as-name:        GRENA-AS
             descr:          Tbilisi, Georgia
             import:         from AS20771 action pref=250; accept {0.0.0.0/0}
             import:         from AS44327 action pref=250; accept {0.0.0.0/0}
             import:         from AS29289 action pref=50; accept {0.0.0.0/0}
             import:         from AS20965 action pref=250; accept ANY
             import:         from AS3356 action pref=250; accept ANY
             import:         from AS174 action pref=250; accept ANY
             import:         from AS47623 action pref=250; accept ANY
             import:         from AS47575 action pref=250; accept ANY
             export:         to AS20545:AS-LOCAL-PEERS announce AS20545:rs-aggregate
             export:         to AS20771 announce AS20545:rs-aggregate
             export:         to AS44327 announce AS20545:rs-aggregate
             export:         to AS29289 announce AS20545:rs-aggregate
             export:         to AS20965 announce as-GRENA-GEANT
             export:         to AS174 announce as-GRENA-GEANT
             export:         to AS3356 announce AS20545 AS29289 AS47623 AS47575
             export:         to AS47623 announce as-grena-bgp-peers
             admin-c:        NT1644-RIPE
             tech-c:         GNOC2-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         GRENA-MNT
             created:        2002-04-19T11:47:00Z
             last-modified:  2017-11-15T09:17:42Z
             source:         RIPE
             
             organisation:   ORG-GRaE1-RIPE
             org-name:       Georgian Research and Educational Networking Association (GRENA)
             country:        GE
             org-type:       LIR
             address:        Chovelidze street 4a
             address:        0108
             address:        Tbilisi
             address:        GEORGIA
             phone:          +995322250590
             phone:          +995322250591
             fax-no:         +995322912952
             admin-c:        ZB1302-RIPE
             admin-c:        NT1644-RIPE
             tech-c:         NT1644-RIPE
             tech-c:         NE75-RIPE
             abuse-c:        GRAE1-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        GRENA-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         GRENA-MNT
             created:        2004-04-17T11:24:14Z
             last-modified:  2023-12-15T08:20:43Z
             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.
             % For more information, see
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             % This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)