AS822 St. Joseph's Health Care, London

STJOSEPHS-AS - St. Joseph's Health Care, London · registered in Canada

IPv4 addresses131,07210 prefixes · 0.004% of announced IPv4

Rank in Canada#53largest network in CA by IPv4 space, of 1,575 · 0.25% of CA

Rank worldwide#1,583of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS822 in ASN lookup Look up an IP in this network (142.89.0.1) All networks in Canada

IPv4 prefixes

All 10 prefixes, in address order.

142.89.0.0/20
142.89.16.0/22
142.89.20.0/24
142.89.21.0/24
142.89.22.0/23
142.89.24.0/21
142.89.32.0/19
142.89.64.0/18
142.89.128.0/17
142.158.0.0/16

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS36493#50 295CA-TOR-ASN - FIBERNETICS CORPORATION132,352

AS20161#51 TRGO - TeraGo Networks Inc.131,584

AS17001#52 UMANITOBA - University of Manitoba131,328

AS17120#54 NBDOE-ORG - New Brunswick Department of Education and Early Childhood Development131,072

AS7311#55 FRONTIER - Frontier Networks Inc125,952

AS19752#56 HYDROONETELECOM - Hydro One Telecom Inc.123,136

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