ASN Lookup Tool

CGI Inc. cgi.com CA CA 20 Routes

AS Data

AS18563

AS18563 – CGI Inc.

AS Number 18563
AS Name CGINET-01
Organization CGI Inc.(cgigr-2)
Country CA
Website cgi.com
Number of IPv4 Routes 19
Number of IPv6 Routes 1
ASN type BUSINESS
Registry ARIN
Date Allocated 2000-09-12

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Use ASN data for AS18563 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
128.129.38.0/23 512
64.254.28.0/23 512
128.129.40.0/21 2048
128.129.34.0/24 256
2620:10:8000::/44 ~19×10²⁴
64.254.10.0/24 256
64.86.140.0/23 512
159.18.53.0/24 256
64.254.21.0/24 256
207.245.13.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18563
ASName:         CGINET-01
ASHandle:       AS18563
RegDate:        2000-09-12
Updated:        2015-01-27    
Ref:            https://rdap.arin.net/registry/autnum/18563


OrgName:        CGI Inc.
OrgId:          CGIGR-2
Address:        1350 boul. Rene-Levesque Ouest
City:           Montreal
StateProv:      QC
PostalCode:     H3G 1T4
Country:        CA
RegDate:        2004-12-01
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CGIGR-2


OrgDNSHandle: CDA158-ARIN
OrgDNSName:   CGI DNS ADMIN
OrgDNSPhone:  +1-514-415-3000 
OrgDNSEmail:  fm.git@cgi.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/CDA158-ARIN

OrgAbuseHandle: ONDUT1-ARIN
OrgAbuseName:   OnDutyTech
OrgAbusePhone:  +1-514-415-3535 
OrgAbuseEmail:  fm.git@cgi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ONDUT1-ARIN

OrgTechHandle: ONDUT1-ARIN
OrgTechName:   OnDutyTech
OrgTechPhone:  +1-514-415-3535 
OrgTechEmail:  fm.git@cgi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ONDUT1-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS397681 CGI Inc. CA
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS21949 Beanfield Technologies Inc. CA
AS6461 Zayo Bandwidth US
AS577 Bell Canada CA
AS6453 TATA COMMUNICATIONS (AMERICA) INC US

Upstreams

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS21949 Beanfield Technologies Inc. CA
AS6461 Zayo Bandwidth US
AS577 Bell Canada CA

Downstreams

AS Number Description Country
AS397681 CGI Inc. CA

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Frequently Asked Questions

ASN AS18563 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18563 is listed under CGI Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.