Report for 19925

Name

SWCHSC - Sunnybrook Health Sciences Centre, 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 AS6447) 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.

19925 SWCHSC, CA

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS21949         BEANFIELD, CA
    AS26677         ORION-ASN, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1964  AS19925        ORIGIN  Originate:     131072 /15.00  Transit:          0 /0.00  SWCHSC, 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       %
16128 AS19925       SWCHSC, CA                                         3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  142.76.0.0/16        22652 21949 19925      
  142.76.0.0/17        22652 21949 19925    - Withdrawn - matching aggregate 142.76.0.0/16 22652 21949 19925
  142.76.128.0/17      22652 21949 19925    - Withdrawn - matching aggregate 142.76.0.0/16 22652 21949 19925

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

AS19925   2 More Specifics   3 Total Advertisements   SWCHSC, CA
    142.76.0.0/17                 142.76.0.0/16
    142.76.128.0/17               142.76.0.0/16

Whois Entry

whois: 402590

IANA has recorded AS19925 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19925\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.
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             ASNumber:       19925
             ASName:         SWCHSC
             ASHandle:       AS19925
             RegDate:        2001-03-02
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/19925
             
             
             OrgName:        Sunnybrook Health Sciences Centre
             OrgId:          SUNNY-14
             Address:        2075 Bayview Ave.
             City:           Toronto
             StateProv:      ON
             PostalCode:     M4N-3M5
             Country:        CA
             RegDate:        2009-08-25
             Updated:        2025-11-03
             Ref:            https://rdap.arin.net/registry/entity/SUNNY-14
             
             
             OrgAbuseHandle: MLE213-ARIN
             OrgAbuseName:   Leicester, Myles 
             OrgAbusePhone:  +1-416-480-6100 
             OrgAbuseEmail:  Myles.Leicester@sunnybrook.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MLE213-ARIN
             
             OrgAbuseHandle: CHEUN101-ARIN
             OrgAbuseName:   Cheung, Ringo 
             OrgAbusePhone:  +1-416-480-6100 
             OrgAbuseEmail:  ringo.cheung@sunnybrook.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHEUN101-ARIN
             
             OrgTechHandle: CHEUN101-ARIN
             OrgTechName:   Cheung, Ringo 
             OrgTechPhone:  +1-416-480-6100 
             OrgTechEmail:  ringo.cheung@sunnybrook.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHEUN101-ARIN
             
             OrgAbuseHandle: MOISE2-ARIN
             OrgAbuseName:   Moises, Edwin 
             OrgAbusePhone:  +1-416-480-6100 
             OrgAbuseEmail:  edwin.moises@sunnybrook.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MOISE2-ARIN
             
             OrgTechHandle: MLE213-ARIN
             OrgTechName:   Leicester, Myles 
             OrgTechPhone:  +1-416-480-6100 
             OrgTechEmail:  Myles.Leicester@sunnybrook.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/MLE213-ARIN
             
             OrgAbuseHandle: YANWI1-ARIN
             OrgAbuseName:   Yan, Wilfred 
             OrgAbusePhone:  +1-416-480-6100 
             OrgAbuseEmail:  wilfred.yan@sunnybrook.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/YANWI1-ARIN
             
             OrgTechHandle: MOISE2-ARIN
             OrgTechName:   Moises, Edwin 
             OrgTechPhone:  +1-416-480-6100 
             OrgTechEmail:  edwin.moises@sunnybrook.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/MOISE2-ARIN
             
             OrgTechHandle: YANWI1-ARIN
             OrgTechName:   Yan, Wilfred 
             OrgTechPhone:  +1-416-480-6100 
             OrgTechEmail:  wilfred.yan@sunnybrook.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/YANWI1-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.
             #