AS27299 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet

CIRA-REGISTRY - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet · registered in Canada

IPv4 addresses2,8166 prefixes · <0.001% of announced IPv4

Rank in Canada#515largest network in CA by IPv4 space, of 1,575 · <0.01% of CA

Rank worldwide#19,273of 79,396 networks with IPv4

IPv68 x /488 prefixes

CountryCanada1,622 ASNs registered there

Open AS27299 in ASN lookup Look up an IP in this network (149.112.123.1) All networks in Canada

IPv4 prefixes

All 6 prefixes, in address order.

149.112.123.0/24
162.219.52.0/23
192.228.23.0/24
192.228.24.0/22
192.228.28.0/23
192.228.31.0/24

IPv6 prefixes

All 8 prefixes.

2001:500:80::/48
2620:10a:8001::/48
2620:10a:8004::/48
2620:10a:8023::/48
2620:10a:80d1::/48
2620:10a:80d4::/48
2620:10a:80f1::/48
2620:10a:80f4::/48

Other ASNs named CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet

4 other networks use the same organisation name; together with AS27299 they announce 8,192 IPv4 addresses.

ASNNameIPv4 addresses

AS55195CIRA-CLOUD1 - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet CA2,560

AS394354CIRA-CLOUD2 - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet CA2,048

AS40568CIRADNS3 - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet CA512

AS396501CIRA-5 - CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements Internet CA256

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS399743#512 ASN-RL-01 - RuralLynx Inc3,072

AS397181#513 STACKHARBOR - Stack Harbor Inc.2,816

AS55285#514 SERVERSIDE - Serverside.com2,816

AS2682#516 CDAGOVN - Shared Services Canada2,816

AS10980#517 STAFFORD - Stafford Communications, Inc.2,816

AS19351#518 TECK-AS-01 - Teck Resources Limited2,816

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