AS27324 — CBC-ASN

AS27324 announces 13 IPv4 prefixes covering 12,288 addresses and 0 IPv6 prefixes.

About this network

The AS handle CBC-ASN is held by the Canadian Broadcasting Corporation.

What it's used for

• The address space is registered under the netname CBCNET for the Canadian Broadcasting Corporation, indicating a dedicated corporate network for the national public broadcaster.
• The AS announces 12,288 IPv4 addresses across 18 prefixes with only 2 observed neighbours, a ratio that characterizes an internal corporate estate rather than a transit or access provider.

Notable

• All registrants in the evidence pack are consistent with the announcer, listing the Canadian Broadcasting Corporation for every prefix.
• The address inventory is finely subdivided into 18 prefixes within the 159.33.0.0/16 range, reflecting site-by-site segmentation typical of a large organization's internal infrastructure.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 159.33.0.0/19
• 159.33.32.0/22
• 159.33.36.0/23
• 159.33.38.0/24
• 159.33.40.0/24
• 159.33.45.0/24
• 159.33.46.0/24
• 159.33.50.0/24
• 159.33.57.0/24
• 159.33.59.0/24
• 159.33.61.0/24
• 159.33.63.0/24
• 159.33.160.0/24

Upstream networks

• AS6461 Zayo Bandwidth
• AS812 Rogers Communications Canada Inc.

Adjacent networks

• AS6461 Zayo Bandwidth
• AS812 Rogers Communications Canada Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 21 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 71% of announcements registered; 18 route objects.
• Listed in as-sets: AS-AKN:AS-TORIX-PEERS, AS-ALLSTREAM-CLIENTS, AS-BEANFIELD, AS-BIGPIPE, AS-CDSI, AS-PATHCOM-TORIX, AS-ROGERS:AS-CUSTOMERS, AS-TORIX, AS23498:AS-CDSI, AS23498:AS-CUSTOMERS, AS23498:AS-CUSTOMERS2, AS4470:AS-TORIX-PEERS, AS7992:AS-PEERS.