AS133787 Primary Health Care

PRIMARY-HEALTHCARE-AS-AP - Primary Health Care · registered in Australia

IPv4 addresses2,5603 prefixes · <0.001% of announced IPv4

Rank in Australia#312largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#20,305of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS133787 in ASN lookup Look up an IP in this network (203.0.228.1) All networks in Australia

IPv4 prefixes

All 3 prefixes, in address order.

203.0.228.0/22
203.1.216.0/22
203.1.220.0/23

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS132481#309 MMCI-AS-AP - Marsh & McLennan Companies, Inc.2,560

AS133125#310 PUBLICISGROUPE-AS-AP - PG Lion ReSources Aust Pty Ltd2,560

AS133510#311 IBPL-AS-AP - Infinet Broadband Pty Ltd2,560

AS134844#313 ACCESS4-AS-AP - ACCESS 4 PTY LTD2,304

AS10084#314 WAIA-TRANSIT-AP - Internet Association of Australia Content Network2,304

AS133934#315 AUSIT-AS-AP - AUS IT SERVICES PTY LTD2,304

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