Report for 21992

Name

SSHA-ONE-ASN - Ontario Health, 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.

21992 SSHA-ONE-ASN - Ontario Health, CA

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS19752         HYDROONETELECOM - Hydro One Telecom Inc., CA
  Downstream Adjacent AS list
    AS32364         SSHA-DC-ASN - Ontario Health, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5373  AS21992        ORG+TRN Originate:      32000 /17.03  Transit:       2048 /21.00 SSHA-ONE-ASN - Ontario Health, 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       %
 9715 AS21992       SSHA-ONE-ASN - Ontario Health, CA                  8      5      1      4      4  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  69.42.176.0/20       4777 2516 3257 19752 21992   
  69.42.184.0/21       4777 2516 3257 19752 21992 - Withdrawn - matching aggregate 69.42.176.0/20 4777 2516 3257 19752 21992
  76.75.128.0/18       4777 2516 3257 19752 21992 + Announce - aggregate of 76.75.128.0/19 (4777 2516 3257 19752 21992) and 76.75.160.0/19 (4777 2516 3257 19752 21992)
  76.75.128.0/19       4777 2516 3257 19752 21992 - Withdrawn - aggregated with 76.75.160.0/19 (4777 2516 3257 19752 21992)
  76.75.144.0/20       4777 2516 3257 19752 21992 - Withdrawn - matching aggregate 76.75.128.0/19 4777 2516 3257 19752 21992
  76.75.160.0/19       4777 2516 3257 19752 21992 - Withdrawn - aggregated with 76.75.128.0/19 (4777 2516 3257 19752 21992)
  76.75.176.0/20       4777 2516 3257 19752 21992 - Withdrawn - matching aggregate 76.75.160.0/19 4777 2516 3257 19752 21992
  199.212.118.0/24     4777 2497 3356 19752 21992   
  205.210.180.0/22     4777 2516 3257 19752 21992   

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

AS21992   6 More Specifics   8 Total Advertisements   SSHA-ONE-ASN - Ontario Health, CA
    69.42.184.0/21                69.42.176.0/20
    76.75.128.0/19                76.75.128.0/18
    76.75.144.0/20                76.75.128.0/18
    76.75.160.0/19                76.75.128.0/18
    76.75.176.0/20                76.75.128.0/18
    205.210.180.0/22              205.210.176.0/21

Whois Entry

whois: 402332

IANA has recorded AS21992 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21992\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:       21992
             ASName:         SSHA-ONE-ASN
             ASHandle:       AS21992
             RegDate:        2007-04-24
             Updated:        2023-04-13
             Comment:        SSHA is an agency of Ministry of Health Ontario
             Ref:            https://rdap.arin.net/registry/autnum/21992
             
             
             OrgName:        Ontario Health
             OrgId:          SSHA
             Address:        P.O. Box 148
             Address:        777 Bay Street, Suite 701
             City:           Toronto
             StateProv:      ON
             PostalCode:     M5G-2C8
             Country:        CA
             RegDate:        2004-03-29
             Updated:        2025-10-20
             Ref:            https://rdap.arin.net/registry/entity/SSHA
             
             
             OrgNOCHandle: OHNOC-ARIN
             OrgNOCName:   OH NOC
             OrgNOCPhone:  +1-866-250-1554 
             OrgNOCEmail:  OH-DS-IS-NS-WANTier3@ontariohealth.ca
             OrgNOCRef:    https://rdap.arin.net/registry/entity/OHNOC-ARIN
             
             OrgTechHandle: CKS22-ARIN
             OrgTechName:   Chava, Krishna Sumanth 
             OrgTechPhone:  +1-647-494-4848 
             OrgTechEmail:  krishna.chava@ontariohealth.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/CKS22-ARIN
             
             OrgAbuseHandle: OHCSO-ARIN
             OrgAbuseName:   OHCSO
             OrgAbusePhone:  +1-866-250-1554 
             OrgAbuseEmail:  oh-ds_esd@ontariohealth.ca
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/OHCSO-ARIN
             
             OrgTechHandle: KMA175-ARIN
             OrgTechName:   Martin, Kelly 
             OrgTechPhone:  +1-647-462-5850 
             OrgTechEmail:  kelly.martin@ontariohealth.ca
             OrgTechRef:    https://rdap.arin.net/registry/entity/KMA175-ARIN
             
             RAbuseHandle: OHCSO-ARIN
             RAbuseName:   OHCSO
             RAbusePhone:  +1-866-250-1554 
             RAbuseEmail:  oh-ds_esd@ontariohealth.ca
             RAbuseRef:    https://rdap.arin.net/registry/entity/OHCSO-ARIN
             
             RTechHandle: KMA175-ARIN
             RTechName:   Martin, Kelly 
             RTechPhone:  +1-647-462-5850 
             RTechEmail:  kelly.martin@ontariohealth.ca
             RTechRef:    https://rdap.arin.net/registry/entity/KMA175-ARIN
             
             RTechHandle: CKS22-ARIN
             RTechName:   Chava, Krishna Sumanth 
             RTechPhone:  +1-647-494-4848 
             RTechEmail:  krishna.chava@ontariohealth.ca
             RTechRef:    https://rdap.arin.net/registry/entity/CKS22-ARIN
             
             RNOCHandle: OHNOC-ARIN
             RNOCName:   OH NOC
             RNOCPhone:  +1-866-250-1554 
             RNOCEmail:  OH-DS-IS-NS-WANTier3@ontariohealth.ca
             RNOCRef:    https://rdap.arin.net/registry/entity/OHNOC-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.
             #