Report for 8318

Name

CMX-AS - CEMEX ESPANA S.A., ES

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.

8318 CMX-AS - CEMEX ESPANA S.A., ES

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS8220          COLT - COLT Technology Services Group Limited, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34684 AS8318         ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  CMX-AS - CEMEX ESPANA S.A., ES

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       %
11845 AS8318        CMX-AS - CEMEX ESPANA S.A., ES                     4      4      1      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  93.190.152.0/22      4777 2516 8220 8318  + Announce - aggregate of 93.190.152.0/23 (4777 2516 8220 8318) and 93.190.154.0/23 (4777 2516 8220 8318)
  93.190.152.0/24      4777 2516 8220 8318  - Withdrawn - aggregated with 93.190.153.0/24 (4777 2516 8220 8318)
  93.190.153.0/24      4777 2516 8220 8318  - Withdrawn - aggregated with 93.190.152.0/24 (4777 2516 8220 8318)
  93.190.154.0/24      4777 2516 8220 8318  - Withdrawn - aggregated with 93.190.155.0/24 (4777 2516 8220 8318)
  93.190.155.0/24      4777 2516 8220 8318  - Withdrawn - aggregated with 93.190.154.0/24 (4777 2516 8220 8318)

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

AS8318   4 More Specifics   4 Total Advertisements   CMX-AS - CEMEX ESPANA S.A., ES
    93.190.152.0/24               93.190.152.0/21
    93.190.153.0/24               93.190.152.0/21
    93.190.154.0/24               93.190.152.0/21
    93.190.155.0/24               93.190.152.0/21

Whois Entry

whois: 402591

IANA has recorded AS8318 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS8318\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 'AS8192 - AS8523'
             
             as-block:       AS8192 - AS8523
             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:        2018-11-22T15:27:23Z
             last-modified:  2018-11-22T15:27:23Z
             source:         RIPE
             
             % Information related to 'AS8318'
             
             % Abuse contact for 'AS8318' is 'fernando.garciavillaraco@cemex.com'
             
             aut-num:        AS8318
             as-name:        CMX-AS
             org:            ORG-CES4-RIPE
             import:         from AS8928 action pref=200; accept ANY
             import:         from AS174 action pref=200; accept ANY
             export:         to AS8928 announce AS8318
             export:         to AS174 announce AS8318
             admin-c:        FCVC1-RIPE
             admin-c:        BDH60-RIPE
             tech-c:         BDH60-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         AS8318-MNT
             mnt-by:         CXES-DEFAULT-MNT
             created:        1970-01-01T00:00:00Z
             last-modified:  2026-04-14T11:28:29Z
             source:         RIPE
             
             organisation:   ORG-CES4-RIPE
             org-name:       CEMEX ESPANA S.A.
             country:        ES
             reg-nr:         A46004214
             org-type:       LIR
             address:        C/HERNANDEZ DE TEJADA,  1
             address:        28027
             address:        MADRID
             address:        SPAIN
             phone:          +34913779200
             fax-no:         +34913779203
             admin-c:        FCVC1-RIPE
             abuse-c:        CA5438-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        CXES-DEFAULT-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         CXES-DEFAULT-MNT
             created:        2008-03-27T15:01:59Z
             last-modified:  2026-05-13T07:22:21Z
             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)