AS18563 CGI Inc.

CGINET-01 - CGI Inc. · registered in Canada

IPv4 addresses17,40819 prefixes · <0.001% of announced IPv4

Rank in Canada#210largest network in CA by IPv4 space, of 1,575 · 0.03% of CA

Rank worldwide#6,654of 79,396 networks with IPv4

IPv616 x /481 prefixes

CountryCanada1,622 ASNs registered there

Open AS18563 in ASN lookup Look up an IP in this network (64.86.140.1) All networks in Canada

IPv4 prefixes

All 19 prefixes, in address order.

64.86.140.0/23
64.254.0.0/21
64.254.8.0/21
64.254.16.0/22
64.254.20.0/23
64.254.22.0/23
64.254.24.0/24
64.254.25.0/24
64.254.27.0/24
64.254.28.0/22
66.110.6.0/23
128.129.34.0/23
128.129.38.0/23
128.129.40.0/21
128.129.48.0/20
159.18.53.0/24
159.18.220.0/23
204.107.153.0/24
207.245.13.0/24

IPv6 prefixes

All 1 prefix.

2620:10:8000::/44

Other ASNs named CGI Inc.

2 other networks use the same organisation name; together with AS18563 they announce 19,200 IPv4 addresses.

ASNNameIPv4 addresses

AS11568CGI-REGINA-1 - CGI Inc. CA1,024

AS397681CGINAA - CGI Inc. CA768

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS26531#207 NEXUSDS - NEXUSDS.COM17,920

AS11727#208 BMTS - Bruce Telecom17,664

AS55254#209 WAVEDIRECT-CDN - WaveDirect Telecommunications17,408

AS13319#211 S-I-S - Storm Internet Services16,896

AS32491#212 TUCOWS-3 - Tucows.com Co.16,896

AS13468#213 KOS-1193 - Kingston Online Services16,896

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