Report for 60492

Name

MIMECAST-JE, GB

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.

60492 MIMECAST-JE, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS8680          SURE-INTERNATIONAL-LIMITED, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
33153 AS60492        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  MIMECAST-JE, GB

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       %
23770 AS60492       MIMECAST-JE, GB                                    5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.10.141.0/24      4777 2497 2914 8680 60492   
  193.7.206.0/23       4777 2516 3356 8680 60492 + Announce - aggregate of 193.7.206.0/24 (4777 2516 3356 8680 60492) and 193.7.207.0/24 (4777 2516 3356 8680 60492)
  193.7.206.0/24       4777 2516 3356 8680 60492 - Withdrawn - aggregated with 193.7.207.0/24 (4777 2516 3356 8680 60492)
  193.7.207.0/24       4777 2516 3356 8680 60492 - Withdrawn - aggregated with 193.7.206.0/24 (4777 2516 3356 8680 60492)
  213.167.75.0/24      4777 2516 3356 8680 60492   
  213.167.81.0/24      4777 2516 3356 8680 60492   

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

AS60492   5 More Specifics   5 Total Advertisements   MIMECAST-JE, GB
    170.10.141.0/24               170.10.128.0/19
    193.7.206.0/24                193.7.204.0/22
    193.7.207.0/24                193.7.204.0/22
    213.167.75.0/24               213.167.64.0/19
    213.167.81.0/24               213.167.64.0/19

Whois Entry

whois: 402332

IANA has recorded AS60492 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS60492\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 'AS60439 - AS60807'
             
             as-block:       AS60439 - AS60807
             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:        2026-04-08T15:02:07Z
             last-modified:  2026-04-08T15:02:07Z
             source:         RIPE
             
             % Information related to 'AS60492'
             
             % Abuse contact for 'AS60492' is 'abuse@mimecast.com'
             
             aut-num:        AS60492
             as-name:        MIMECAST-JE
             org:            ORG-MSL42-RIPE
             import:         from AS13173 accept ANY
             export:         to AS13173 announce AS60492
             import:         from AS8680 accept ANY
             export:         to AS8680 announce AS60492
             admin-c:        CGRD-RIPE
             tech-c:         CGRD-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MCSL-RIPE-MNT
             created:        2019-05-14T13:23:57Z
             last-modified:  2019-05-14T13:23:57Z
             source:         RIPE
             
             organisation:   ORG-MSL42-RIPE
             org-name:       Mimecast Services Limited
             country:        GB
             org-type:       LIR
             address:        1 Finsbury Avenue
             address:        EC2M 2PF
             address:        London
             address:        UNITED KINGDOM
             phone:          +44 (0)20 7847 8700
             admin-c:        CGRD-RIPE
             tech-c:         CGRD-RIPE
             abuse-c:        CGRD-RIPE
             mnt-ref:        MCSL-RIPE-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MCSL-RIPE-MNT
             created:        2018-10-17T10:00:36Z
             last-modified:  2020-12-16T12:54:21Z
             source:         RIPE # Filtered
             
             role:           Mimecast - CoreGrid
             address:        1 Finsbury Avenue
             address:        London
             address:        EC2M 2PF
             address:        United Kingdom
             phone:          +44 (0)207 847 8700
             admin-c:        MCNO2003-RIPE
             tech-c:         MCNO2003-RIPE
             remarks:        ---------------------------------
             abuse-mailbox:  abuse@mimecast.com
             remarks:        ---------------------------------
             nic-hdl:        CGRD-RIPE
             mnt-by:         MCSL-RIPE-MNT
             created:        2014-05-20T16:18:44Z
             last-modified:  2023-09-28T13:31:26Z
             source:         RIPE # Filtered
             
             % This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)