Home ASN LookupAS18563

AS18563 CGINET-01 - CGI Inc.

🇨🇦

ARINassigned

Announced Prefixes (BGP)

19total

18 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)8,448

Announced (BGP)20,224

IPv6 Addresses

Allocated (RIR)1.9×10²⁵

Announced (BGP)1.9×10²⁵

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇦 CA

RIR

ARIN

Status

assigned

Allocated

2000-09-12

Announced Prefixes

(BGP)19

Prefix	RPKI	IRR	Last Seen
64.86.140.0/23	Valid	ARIN	2026-10-09
64.254.0.0/19	No ROA	ARIN	2026-10-09
64.254.6.0/23	No ROA	ARIN	2026-10-09
64.254.10.0/24	No ROA	-	2026-10-09
64.254.11.0/24	No ROA	-	2026-10-09
64.254.21.0/24	No ROA	-	2026-10-09
64.254.24.0/24	No ROA	-	2026-10-09
64.254.28.0/23	No ROA	ARIN	2026-10-09
64.254.30.0/23	No ROA	ARIN	2026-10-09
66.110.6.0/23	Valid	Other IRR	2026-10-09

1-10 of 19

1 / 2

Allocated Prefixes

(RIR)3

Prefix	Country	RIR	Status
64.254.0.0/19	🇨🇦 CA	ARIN	allocated
204.107.153.0/24	🇨🇦 CA	ARIN	allocated
2620:10:8000::/44	🇨🇦 CA	ARIN	allocated

All 19 announced prefixes of AS18563 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS18563 hands its own prefixes to: transit providers, or peers at an exchange.

AS21949Beanfield Technologies12
AS6461Zayo Bandwidth6
AS577Bell Canada1

Downstreams (1)

Networks whose own prefixes AS18563 passes on: usually its customers.

AS397681CGI3

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS18563 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/18563

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/18563" | jq