ASN AS21995 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21995?

AS21995 is listed under Canadian Light Source Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS21995 Canadian Light Source Inc.

ASN Lookup Tool

Canadian Light Source Inc. lightsource.ca

CA 1 Routes

AS Data

AS21995

AS21995 – Canadian Light Source Inc.

AS Number	21995
AS Name	CLS-NETWORK-01
Organization	Canadian Light Source Inc.(cls-209)
Country	CA
Website	lightsource.ca
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2023-04-11

ASN Intelligence API for production workflows

Use ASN data for AS21995 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.45.167.0/24	AS21995	Canadian Light Source Inc.	Canadian Light Source Inc.	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:       21995
ASName:         CLS-NETWORK-01
ASHandle:       AS21995
RegDate:        2023-04-11
Updated:        2023-04-11
Comment:        https://www.lightsource.ca/
Comment:        Business hours: 
Comment:        8:00 AM through 5:00 PM 
Comment:        Saskatchewan time    
Ref:            https://rdap.arin.net/registry/autnum/21995


OrgName:        Canadian Light Source Inc.
OrgId:          CLS-209
Address:        44 Innovation Boulevard
City:           Saskatoon
StateProv:      SK
PostalCode:     S7N 2V3
Country:        CA
RegDate:        2022-09-01
Updated:        2022-10-28
Comment:        Web: https://www.lightsource.ca/
Comment:        Main: (06-657-3500
Comment:        Business hours: 8:00 AM-5:00 PM
Ref:            https://rdap.arin.net/registry/entity/CLS-209


OrgRoutingHandle: NETWO9746-ARIN
OrgRoutingName:   Network Team
OrgRoutingPhone:  +1-306-657-3500 
OrgRoutingEmail:  networkengineers@lightsource.ca
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9746-ARIN

OrgNOCHandle: NETWO9746-ARIN
OrgNOCName:   Network Team
OrgNOCPhone:  +1-306-657-3500 
OrgNOCEmail:  networkengineers@lightsource.ca
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9746-ARIN

OrgDNSHandle: NETWO9746-ARIN
OrgDNSName:   Network Team
OrgDNSPhone:  +1-306-657-3500 
OrgDNSEmail:  networkengineers@lightsource.ca
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9746-ARIN

OrgTechHandle: NETWO9746-ARIN
OrgTechName:   Network Team
OrgTechPhone:  +1-306-657-3500 
OrgTechEmail:  networkengineers@lightsource.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9746-ARIN

OrgAbuseHandle: NETWO9746-ARIN
OrgAbuseName:   Network Team
OrgAbusePhone:  +1-306-657-3500 
OrgAbuseEmail:  networkengineers@lightsource.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9746-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
AS22950	University of Saskatchewan	CA

Upstreams

AS Number	Description	Country
AS22950	University of Saskatchewan	CA