ASN AS21992 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21992?

AS21992 is listed under Ontario Health.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS21992 Ontario Health | IPGeolocation.io

ASN Lookup Tool

Ontario Health ontariohealth.ca

CA 8 Routes

AS Data

AS21992

AS21992 – Ontario Health

AS Number	21992
AS Name	SSHA-ONE-ASN
Organization	Ontario Health(ssha)
Country	CA
Website	ontariohealth.ca
Number of IPv4 Routes	8
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2007-04-24

ASN Intelligence API for production workflows

Use ASN data for AS21992 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
76.75.144.0/20	AS21992	Ontario Health	Ontario Health	4096
76.75.176.0/20	AS21992	Ontario Health	Ontario Health	4096
69.42.176.0/20	AS21992	Ontario Health	Ontario Health	4096
76.75.128.0/19	AS21992	Ontario Health	Ontario Health	8192
205.210.180.0/22	AS21992	Ontario Health	Trillium Health Partners	1024
76.75.160.0/19	AS21992	Ontario Health	Ontario Health	8192
199.212.118.0/24	AS21992	Ontario Health	Thunder Bay Regional Hospital Port	256
69.42.184.0/21	AS21992	Ontario Health	Ontario Health	2048

Raw Whois Response

#
# 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


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

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

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

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

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

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: 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


#
# 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.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS32364	Ontario Health	CA
AS19752	Hydro One Telecom Inc.	CA

Upstreams

AS Number	Description	Country
AS19752	Hydro One Telecom Inc.	CA

Downstreams

AS Number	Description	Country
AS32364	Ontario Health	CA