Report for 30409

Name

SNCLAV-AS - AtkinsRealis Canada, Inc., CA

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.

30409 SNCLAV-AS - AtkinsRealis Canada, Inc., CA

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS577           BACOM - Bell Canada, CA
    AS15830         Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8842  AS30409        ORIGIN  Originate:      13056 /18.33  Transit:          0 /0.00  SNCLAV-AS - AtkinsRealis Canada, Inc., CA

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       %
16429 AS30409       SNCLAV-AS - AtkinsRealis Canada, Inc., CA          7      2      0      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  142.242.0.0/20       4777 2497 6461 30409   
  142.242.2.0/24       4777 2497 6461 30409 30409 30409 30409   
  142.242.18.0/24      4777 2516 6327 15830 30409   
  142.242.32.0/20      4777 2516 577 30409    
  142.242.32.0/21      4777 2516 577 30409  - Withdrawn - matching aggregate 142.242.32.0/20 4777 2516 577 30409
  142.242.40.0/21      4777 2516 577 30409  - Withdrawn - matching aggregate 142.242.32.0/20 4777 2516 577 30409
  142.242.100.0/24     4777 2497 6461 30409   

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

AS30409   7 More Specifics   7 Total Advertisements   SNCLAV-AS - AtkinsRealis Canada, Inc., CA
    142.242.0.0/20                142.242.0.0/16
    142.242.2.0/24                142.242.0.0/16
    142.242.18.0/24               142.242.0.0/16
    142.242.32.0/20               142.242.0.0/16
    142.242.32.0/21               142.242.0.0/16
    142.242.40.0/21               142.242.0.0/16
    142.242.100.0/24              142.242.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS30409 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS30409\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       30409
             ASName:         SNCLAV-AS
             ASHandle:       AS30409
             RegDate:        2003-10-03
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/30409
             
             
             OrgName:        AtkinsRealis Canada, Inc.
             OrgId:          SNCLAV
             Address:        455 blvd Rene-Levesque West
             City:           Montreal
             StateProv:      QC
             PostalCode:     H2Z-1Z3
             Country:        CA
             RegDate:        1993-07-23
             Updated:        2026-05-19
             Ref:            https://rdap.arin.net/registry/entity/SNCLAV
             
             
             OrgNOCHandle: SNCLA-ARIN
             OrgNOCName:   SNC-Lavalin Inc
             OrgNOCPhone:  +1-514-393-8000 
             OrgNOCEmail:  paul.mead@atkinsrealis.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SNCLA-ARIN
             
             OrgTechHandle: SNCLA-ARIN
             OrgTechName:   SNC-Lavalin Inc
             OrgTechPhone:  +1-514-393-8000 
             OrgTechEmail:  paul.mead@atkinsrealis.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SNCLA-ARIN
             
             OrgAbuseHandle: SNCLA-ARIN
             OrgAbuseName:   SNC-Lavalin Inc
             OrgAbusePhone:  +1-514-393-8000 
             OrgAbuseEmail:  paul.mead@atkinsrealis.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SNCLA-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #