AS399429 St. Joseph's Healthcare Hamilton

STJOES-HAM-01 - St. Joseph's Healthcare Hamilton · registered in Canada

IPv4 addresses8,19223 prefixes · <0.001% of announced IPv4

Rank in Canada#313largest network in CA by IPv4 space, of 1,575 · 0.02% of CA

Rank worldwide#10,905of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS399429 in ASN lookup Look up an IP in this network (142.238.0.1) All networks in Canada

IPv4 prefixes

All 23 prefixes, in address order.

142.238.0.0/24
142.238.33.0/24
142.238.50.0/24
142.238.66.0/24
142.238.68.0/23
142.238.100.0/24
142.238.134.0/23
142.238.170.0/23
142.238.172.0/23
142.238.174.0/24
142.238.180.0/22
142.238.184.0/24
142.238.192.0/23
142.238.194.0/24
142.238.209.0/24
142.238.210.0/24
142.238.214.0/24
142.238.226.0/23
142.238.242.0/24
142.238.249.0/24
142.238.250.0/24
142.238.252.0/24
142.238.254.0/24

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS30348#310 UAP-AS - UAP Inc.8,192

AS32453#311 ICANETWORK - ICA Canada On-Line Inc.8,192

AS40814#312 CITY-OF-REGINA - City of Regina8,192

AS399775#314 CENOV-ASN - Cenovus Energy Inc8,192

AS32678#315 FIDALIA-AS - Fidalia Networks Inc.7,936

AS399494#316 BROOKETEL-AS-01 - Brooke Telecom Cooperative Limited7,936

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