Report for 3958

Name

AIRCANADA - Air Canada, 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.

3958 AIRCANADA - Air Canada, CA

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS577           BACOM - Bell Canada, CA
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS855           CANET-ASN-4 - Bell Canada, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8539  AS3958         ORIGIN  Originate:      13824 /18.25  Transit:          0 /0.00  AIRCANADA - Air Canada, 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       %
 8217 AS3958        AIRCANADA - Air Canada, CA                        21     10      5     16      5  23.81%


  Prefix               AS Path                              Aggregation Suggestion
  142.147.16.0/20      4777 2497 577 3958     
  142.147.32.0/20      4777 2497 577 3958     
  159.206.65.0/24      4777 2497 577 3958     
  159.206.66.0/24      4777 2497 7018 3958    
  159.206.67.0/24      4777 2497 6461 3958    
  159.206.80.0/23      4777 2497 577 3958   + Announce - aggregate of 159.206.80.0/24 (4777 2497 577 3958) and 159.206.81.0/24 (4777 2497 577 3958)
  159.206.80.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.81.0/24 (4777 2497 577 3958)
  159.206.81.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.80.0/24 (4777 2497 577 3958)
  159.206.82.0/24      4777 2497 577 3958     
  159.206.83.0/24      4777 2497 6461 3958 3958   
  159.206.84.0/23      4777 2497 577 3958   + Announce - aggregate of 159.206.84.0/24 (4777 2497 577 3958) and 159.206.85.0/24 (4777 2497 577 3958)
  159.206.84.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.85.0/24 (4777 2497 577 3958)
  159.206.85.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.84.0/24 (4777 2497 577 3958)
  159.206.86.0/23      4777 2497 6461 3958  + Announce - aggregate of 159.206.86.0/24 (4777 2497 6461 3958) and 159.206.87.0/24 (4777 2497 6461 3958)
  159.206.86.0/24      4777 2497 6461 3958  - Withdrawn - aggregated with 159.206.87.0/24 (4777 2497 6461 3958)
  159.206.87.0/24      4777 2497 6461 3958  - Withdrawn - aggregated with 159.206.86.0/24 (4777 2497 6461 3958)
  159.206.88.0/23      4777 2497 577 3958   + Announce - aggregate of 159.206.88.0/24 (4777 2497 577 3958) and 159.206.89.0/24 (4777 2497 577 3958)
  159.206.88.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.89.0/24 (4777 2497 577 3958)
  159.206.89.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.88.0/24 (4777 2497 577 3958)
  159.206.94.0/23      4777 2497 577 3958   + Announce - aggregate of 159.206.94.0/24 (4777 2497 577 3958) and 159.206.95.0/24 (4777 2497 577 3958)
  159.206.94.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.95.0/24 (4777 2497 577 3958)
  159.206.95.0/24      4777 2497 577 3958   - Withdrawn - aggregated with 159.206.94.0/24 (4777 2497 577 3958)
  159.206.116.0/22     4777 2497 577 3958 3958 3958 3958   
  159.206.116.0/24     4777 2497 577 3958     
  159.206.120.0/24     4777 2516 3257 855 3958   
  159.206.124.0/24     4777 2516 3257 855 3958   

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

AS3958   19 More Specifics   21 Total Advertisements   AIRCANADA - Air Canada, CA
    159.206.65.0/24               159.206.0.0/16
    159.206.66.0/24               159.206.0.0/16
    159.206.67.0/24               159.206.0.0/16
    159.206.80.0/24               159.206.0.0/16
    159.206.81.0/24               159.206.0.0/16
    159.206.82.0/24               159.206.0.0/16
    159.206.83.0/24               159.206.0.0/16
    159.206.84.0/24               159.206.0.0/16
    159.206.85.0/24               159.206.0.0/16
    159.206.86.0/24               159.206.0.0/16
    159.206.87.0/24               159.206.0.0/16
    159.206.88.0/24               159.206.0.0/16
    159.206.89.0/24               159.206.0.0/16
    159.206.94.0/24               159.206.0.0/16
    159.206.95.0/24               159.206.0.0/16
    159.206.116.0/22              159.206.0.0/16
    159.206.116.0/24              159.206.0.0/16
    159.206.120.0/24              159.206.0.0/16
    159.206.124.0/24              159.206.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS3958 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS3958\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:       3958
             ASName:         AIRCANADA
             ASHandle:       AS3958
             RegDate:        1994-10-21
             Updated:        1996-07-22
             Ref:            https://rdap.arin.net/registry/autnum/3958
             
             
             OrgName:        Air Canada
             OrgId:          AIRCAN-2
             Address:        Air Canada Dorval Base
             Address:        Zip 075
             City:           Dorval
             StateProv:      QC
             PostalCode:     H4Y 1C2
             Country:        CA
             RegDate:        1994-10-21
             Updated:        2025-10-23
             Ref:            https://rdap.arin.net/registry/entity/AIRCAN-2
             
             
             OrgAbuseHandle: BASCI-ARIN
             OrgAbuseName:   Basciano, Vincent 
             OrgAbusePhone:  +1-514-422-5243 
             OrgAbuseEmail:  vincent.basciano@aircanada.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BASCI-ARIN
             
             OrgNOCHandle: BASCI-ARIN
             OrgNOCName:   Basciano, Vincent 
             OrgNOCPhone:  +1-514-422-5243 
             OrgNOCEmail:  vincent.basciano@aircanada.ca
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BASCI-ARIN
             
             OrgTechHandle: BASCI-ARIN
             OrgTechName:   Basciano, Vincent 
             OrgTechPhone:  +1-514-422-5243 
             OrgTechEmail:  vincent.basciano@aircanada.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/BASCI-ARIN
             
             RTechHandle: BH1563-ARIN
             RTechName:   Hotte, Benoit 
             RTechPhone:  +1-514-422-5085 
             RTechEmail:  bhot@ca.ibm.com
             RTechRef:    https://rdap.arin.net/registry/entity/BH1563-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.
             #