AS18588 Postmedia Network Inc

POSTM - Postmedia Network Inc · registered in Canada

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Canada#998largest network in CA by IPv4 space, of 1,575 · <0.01% of CA

Rank worldwide#50,106of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS18588 in ASN lookup Look up an IP in this network (204.187.152.1) All networks in Canada

IPv4 prefixes

All 1 prefix, in address order.

204.187.152.0/23

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS17372#995 BMO-TOR2 - Bank of Montreal512

AS18528#996 COW-DR-01 - The Corporation of the City of Waterloo512

AS18587#997 AGUTL - Apex Utilities Inc.512

AS18814#999 ATC-DC-NET01 - Atlantic Technology Centre512

AS19039#1000 DURABLEDNS - DurableDNS Inc512

AS19772#1001 LIBERATED - Liberated Networks Inc512

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