Report for 823

Name

UWO-AS - University of Western Ontario, 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.

823 UWO-AS - University of Western Ontario, CA

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS819           LARG-NET - LARG*net London and Region Global Computer Network, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2012  AS823          ORIGIN  Originate:     128512 /15.03  Transit:          0 /0.00  UWO-AS - University of Western Ontario, 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       %
 4190 AS823         UWO-AS - University of Western Ontario, CA        24     16      4     12     12  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  129.100.0.0/16       4608 6939 819 819 823   
  129.100.0.0/18       4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  129.100.0.0/24       4777 13335 823         
  129.100.64.0/20      4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  129.100.80.0/21      4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  129.100.96.0/19      4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  129.100.128.0/18     4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  129.100.192.0/23     4608 7575 6509 26677 819 823   
  129.100.196.0/22     4608 7575 6509 26677 819 823 + Announce - aggregate of 129.100.196.0/23 (4608 7575 6509 26677 819 823) and 129.100.198.0/23 (4608 7575 6509 26677 819 823)
  129.100.196.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.198.0/23 (4608 7575 6509 26677 819 823)
  129.100.198.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.196.0/23 (4608 7575 6509 26677 819 823)
  129.100.200.0/22     4608 7575 6509 26677 819 823 + Announce - aggregate of 129.100.200.0/23 (4608 7575 6509 26677 819 823) and 129.100.202.0/23 (4608 7575 6509 26677 819 823)
  129.100.200.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.202.0/23 (4608 7575 6509 26677 819 823)
  129.100.202.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.200.0/23 (4608 7575 6509 26677 819 823)
  129.100.204.0/24     4608 7575 6509 26677 819 823   
  129.100.206.0/23     4608 7575 6509 26677 819 823   
  129.100.208.0/21     4608 7575 6509 26677 819 823 + Announce - aggregate of 129.100.208.0/22 (4608 7575 6509 26677 819 823) and 129.100.212.0/22 (4608 7575 6509 26677 819 823)
  129.100.208.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.210.0/23 (4608 7575 6509 26677 819 823)
  129.100.210.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.208.0/23 (4608 7575 6509 26677 819 823)
  129.100.212.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.214.0/23 (4608 7575 6509 26677 819 823)
  129.100.214.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.212.0/23 (4608 7575 6509 26677 819 823)
  129.100.216.0/23     4608 7575 6509 26677 819 823   
  129.100.219.0/24     4608 7575 6509 26677 819 823   
  129.100.220.0/22     4608 7575 6509 26677 819 823 + Announce - aggregate of 129.100.220.0/23 (4608 7575 6509 26677 819 823) and 129.100.222.0/23 (4608 7575 6509 26677 819 823)
  129.100.220.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.222.0/23 (4608 7575 6509 26677 819 823)
  129.100.222.0/23     4608 7575 6509 26677 819 823 - Withdrawn - aggregated with 129.100.220.0/23 (4608 7575 6509 26677 819 823)
  129.100.224.0/19     4608 6939 819 819 823 - Withdrawn - matching aggregate 129.100.0.0/16 4608 6939 819 819 823
  205.189.1.0/24       4608 6939 819 819 823   

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

AS823   22 More Specifics   24 Total Advertisements   UWO-AS - University of Western Ontario, CA
    129.100.0.0/18                129.100.0.0/16
    129.100.0.0/24                129.100.0.0/16
    129.100.64.0/20               129.100.0.0/16
    129.100.80.0/21               129.100.0.0/16
    129.100.96.0/19               129.100.0.0/16
    129.100.128.0/18              129.100.0.0/16
    129.100.192.0/23              129.100.0.0/16
    129.100.196.0/23              129.100.0.0/16
    129.100.198.0/23              129.100.0.0/16
    129.100.200.0/23              129.100.0.0/16
    129.100.202.0/23              129.100.0.0/16
    129.100.204.0/24              129.100.0.0/16
    129.100.206.0/23              129.100.0.0/16
    129.100.208.0/23              129.100.0.0/16
    129.100.210.0/23              129.100.0.0/16
    129.100.212.0/23              129.100.0.0/16
    129.100.214.0/23              129.100.0.0/16
    129.100.216.0/23              129.100.0.0/16
    129.100.219.0/24              129.100.0.0/16
    129.100.220.0/23              129.100.0.0/16
    129.100.222.0/23              129.100.0.0/16
    129.100.224.0/19              129.100.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS823 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS823\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:       823
             ASName:         UWO-AS
             ASHandle:       AS823
             RegDate:        1994-03-11
             Updated:        2021-05-05
             Ref:            https://rdap.arin.net/registry/autnum/823
             
             
             OrgName:        University of Western Ontario
             OrgId:          UWO-Z
             Address:        Western Technology Services
             Address:        1393 Western Road
             Address:        Rm SSB 4352
             City:           London
             StateProv:      ON
             PostalCode:     N6G-1G9
             Country:        CA
             RegDate:        2021-02-17
             Updated:        2025-10-14
             Ref:            https://rdap.arin.net/registry/entity/UWO-Z
             
             
             OrgTechHandle: NOC310-ARIN
             OrgTechName:   Network Operations Centre
             OrgTechPhone:  +1-519-661-3525 
             OrgTechEmail:  noc@uwo.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC310-ARIN
             
             OrgAbuseHandle: NOC310-ARIN
             OrgAbuseName:   Network Operations Centre
             OrgAbusePhone:  +1-519-661-3525 
             OrgAbuseEmail:  noc@uwo.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC310-ARIN
             
             RTechHandle: NOC310-ARIN
             RTechName:   Network Operations Centre
             RTechPhone:  +1-519-661-3525 
             RTechEmail:  noc@uwo.ca
             RTechRef:    https://rdap.arin.net/registry/entity/NOC310-ARIN
             
             RNOCHandle: NOC310-ARIN
             RNOCName:   Network Operations Centre
             RNOCPhone:  +1-519-661-3525 
             RNOCEmail:  noc@uwo.ca
             RNOCRef:    https://rdap.arin.net/registry/entity/NOC310-ARIN
             
             RAbuseHandle: NAC96-ARIN
             RAbuseName:   Network Abuse Contact
             RAbusePhone:  +1-519-661-3525 
             RAbuseEmail:  abuse@uwo.ca
             RAbuseRef:    https://rdap.arin.net/registry/entity/NAC96-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.
             #