Report for 33105

Name

HDSB - Halton District School Board, 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.

33105 HDSB - Halton District School Board, CA

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7992          COGECOWAVE - Cogeco Connexion Inc., CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22157 AS33105        ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  HDSB - Halton District School Board, 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       %
21940 AS33105       HDSB - Halton District School Board, CA            6      2      1      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  199.235.116.0/24     4777 2497 1299 7992 33105 33105 33105 33105   
  199.235.120.0/23     4777 2497 1299 7992 33105 33105 33105 33105 + Announce - aggregate of 199.235.120.0/24 (4777 2497 1299 7992 33105 33105 33105 33105) and 199.235.121.0/24 (4777 2497 1299 7992 33105 33105 33105 33105)
  199.235.120.0/24     4777 2497 1299 7992 33105 33105 33105 33105 - Withdrawn - aggregated with 199.235.121.0/24 (4777 2497 1299 7992 33105 33105 33105 33105)
  199.235.121.0/24     4777 2497 1299 7992 33105 33105 33105 33105 - Withdrawn - aggregated with 199.235.120.0/24 (4777 2497 1299 7992 33105 33105 33105 33105)
  199.235.122.0/24     4777 2497 1299 7992 33105 33105 33105 33105   
  199.235.124.0/23     4777 2497 1299 7992 33105 33105 33105 33105   
  199.235.192.0/22     4777 2497 1299 7992 33105 33105 33105 33105   

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

AS33105   6 More Specifics   6 Total Advertisements   HDSB - Halton District School Board, CA
    199.235.116.0/24              199.235.0.0/16
    199.235.120.0/24              199.235.0.0/16
    199.235.121.0/24              199.235.0.0/16
    199.235.122.0/24              199.235.0.0/16
    199.235.124.0/23              199.235.0.0/16
    199.235.192.0/22              199.235.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS33105 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33105\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:       33105
             ASName:         HDSB
             ASHandle:       AS33105
             RegDate:        2014-05-30
             Updated:        2014-05-30
             Comment:        HDSB Network
             Ref:            https://rdap.arin.net/registry/autnum/33105
             
             
             OrgName:        Halton District School Board
             OrgId:          HBE-1
             Address:        2050 Guelph Line
             Address:        P.O. Box 5005
             City:           Burlington
             StateProv:      ON
             PostalCode:     L7R-3Z2
             Country:        CA
             RegDate:        1994-04-18
             Updated:        2026-03-06
             Ref:            https://rdap.arin.net/registry/entity/HBE-1
             
             
             OrgAbuseHandle: MNO93-ARIN
             OrgAbuseName:   Manager - Network Operations
             OrgAbusePhone:  +1-905-335-3665 
             OrgAbuseEmail:  sabrim@hdsb.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MNO93-ARIN
             
             OrgTechHandle: MNO93-ARIN
             OrgTechName:   Manager - Network Operations
             OrgTechPhone:  +1-905-335-3665 
             OrgTechEmail:  sabrim@hdsb.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/MNO93-ARIN
             
             OrgTechHandle: CLARK1765-ARIN
             OrgTechName:   Clark, Sean 
             OrgTechPhone:  +1-905-335-3665 
             OrgTechEmail:  clarkse@hdsb.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/CLARK1765-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.
             #