AS21992 Ontario Health

SSHA-ONE-ASN - Ontario Health · registered in Canada

IPv4 addresses19,96818 prefixes · <0.001% of announced IPv4

Rank in Canada#195largest network in CA by IPv4 space, of 1,575 · 0.04% of CA

Rank worldwide#6,157of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS21992 in ASN lookup Look up an IP in this network (69.42.176.1) All networks in Canada

IPv4 prefixes

All 18 prefixes, in address order.

69.42.176.0/20
76.75.128.0/20
76.75.144.0/22
76.75.148.0/24
76.75.151.0/24
76.75.152.0/23
76.75.154.0/24
76.75.156.0/22
76.75.160.0/23
76.75.163.0/24
76.75.164.0/22
76.75.168.0/21
76.75.176.0/23
76.75.178.0/24
76.75.180.0/23
76.75.184.0/21
199.212.118.0/24
205.210.180.0/22

Other ASNs named Ontario Health

1 other network uses the same organisation name; together with AS21992 they announce 22,016 IPv4 addresses.

ASNNameIPv4 addresses

AS32364SSHA-DC-ASN - Ontario Health CA2,048

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS19171#192 STARGATE-VAN - Stargate Connections Inc.20,480

AS22684#193 SSIMICRO - SSI Micro Ltd.20,480

AS15296#194 CYBERA - Cybera Inc20,224

AS54182#196 AXIA-CONNECT - Bell Canada19,712

AS7734#197 TDBANK - Toronto Dominion Bank19,712

AS14116#198 INFB-AS - Internet Names For Business Inc.19,456

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources