21992 SSHA-ONE-ASN, CA
Adjacency: 2 Upstream: 1 Downstream: 1
Upstream Adjacent AS list
AS19752 HYDROONETELECOM, CA
Downstream Adjacent AS list
AS32364 SSHA-DC-ASN, CA
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5423 AS21992 ORG+TRN Originate: 32000 /17.03 Transit: 2048 /21.00 SSHA-ONE-ASN, 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 % 10070 AS21992 SSHA-ONE-ASN, CA 8 5 1 4 4 50.00% Prefix AS Path Aggregation Suggestion 69.42.176.0/20 22652 19752 21992 69.42.184.0/21 22652 19752 21992 - Withdrawn - matching aggregate 69.42.176.0/20 22652 19752 21992 76.75.128.0/18 22652 19752 21992 + Announce - aggregate of 76.75.128.0/19 (22652 19752 21992) and 76.75.160.0/19 (22652 19752 21992) 76.75.128.0/19 22652 19752 21992 - Withdrawn - aggregated with 76.75.160.0/19 (22652 19752 21992) 76.75.144.0/20 22652 19752 21992 - Withdrawn - matching aggregate 76.75.128.0/19 22652 19752 21992 76.75.160.0/19 22652 19752 21992 - Withdrawn - aggregated with 76.75.128.0/19 (22652 19752 21992) 76.75.176.0/20 22652 19752 21992 - Withdrawn - matching aggregate 76.75.160.0/19 22652 19752 21992 199.212.118.0/24 6939 19752 21992 205.210.180.0/22 22652 19752 21992
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21992 7 More Specifics 9 Total Advertisements SSHA-ONE-ASN, 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
76.75.162.0/24 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
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 76.75.162.0/24 Announced
whois: 402590
IANA has recorded AS21992 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21992\n
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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
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
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
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
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
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
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#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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