ASN AS26321 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26321?

AS26321 is listed under TSX 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.

AS26321 TSX Inc. | IPGeolocation.io

ASN Lookup Tool

TSX Inc. tmx.com

CA 7 Routes

AS Data

AS26321

AS26321 – TSX Inc.

AS Number	26321
AS Name	TSX-GROUP
Organization	TSX Inc.(tse)
Country	CA
Website	tmx.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-08-21

ASN Intelligence API for production workflows

Use ASN data for AS26321 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
142.201.0.0/24	AS26321	TSX Inc.	TSX Inc.	256
142.201.5.0/24	AS26321	TSX Inc.	TSX Inc.	256
142.201.1.0/24	AS26321	TSX Inc.	TSX Inc.	256
198.22.102.0/24	AS26321	TSX Inc.	SHORCAN BROKERS LIMITED	256
142.201.17.0/24	AS26321	TSX Inc.	TSX Inc.	256
205.207.128.0/23	AS26321	TSX Inc.	The Canadian Depository for Securities Limited	512
142.201.8.0/24	AS26321	TSX Inc.	TSX 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:       26321
ASName:         TSX-GROUP
ASHandle:       AS26321
RegDate:        2002-08-21
Updated:        2019-07-04    
Ref:            https://rdap.arin.net/registry/autnum/26321


OrgName:        TSX Inc.
OrgId:          TSE
Address:        300 - 100 Adelaide Street West
City:           Toronto
StateProv:      ON
PostalCode:     M5H 1S3
Country:        CA
RegDate:        1992-08-31
Updated:        2025-07-07
Ref:            https://rdap.arin.net/registry/entity/TSE


OrgAbuseHandle: TGAPC-ARIN
OrgAbuseName:   TMX Group - ARIN Points of Contact
OrgAbusePhone:  +1-905-752-7415 
OrgAbuseEmail:  intellectualproperty@tmx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TGAPC-ARIN

OrgTechHandle: LINDS48-ARIN
OrgTechName:   Lindsay, Shelley 
OrgTechPhone:  +1-416-947-4215 
OrgTechEmail:  intellectualproperty@tmx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LINDS48-ARIN

OrgRoutingHandle: TGAPC-ARIN
OrgRoutingName:   TMX Group - ARIN Points of Contact
OrgRoutingPhone:  +1-905-752-7415 
OrgRoutingEmail:  intellectualproperty@tmx.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TGAPC-ARIN

OrgAbuseHandle: LINDS48-ARIN
OrgAbuseName:   Lindsay, Shelley 
OrgAbusePhone:  +1-416-947-4215 
OrgAbuseEmail:  intellectualproperty@tmx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LINDS48-ARIN

OrgDNSHandle: TGAPC-ARIN
OrgDNSName:   TMX Group - ARIN Points of Contact
OrgDNSPhone:  +1-905-752-7415 
OrgDNSEmail:  intellectualproperty@tmx.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TGAPC-ARIN

OrgTechHandle: TGAPC-ARIN
OrgTechName:   TMX Group - ARIN Points of Contact
OrgTechPhone:  +1-905-752-7415 
OrgTechEmail:  intellectualproperty@tmx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TGAPC-ARIN

OrgNOCHandle: TGAPC-ARIN
OrgNOCName:   TMX Group - ARIN Points of Contact
OrgNOCPhone:  +1-905-752-7415 
OrgNOCEmail:  intellectualproperty@tmx.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TGAPC-ARIN

RAbuseHandle: LINDS48-ARIN
RAbuseName:   Lindsay, Shelley 
RAbusePhone:  +1-416-947-4215 
RAbuseEmail:  intellectualproperty@tmx.com
RAbuseRef:    https://rdap.arin.net/registry/entity/LINDS48-ARIN

RNOCHandle: LINDS48-ARIN
RNOCName:   Lindsay, Shelley 
RNOCPhone:  +1-416-947-4215 
RNOCEmail:  intellectualproperty@tmx.com
RNOCRef:    https://rdap.arin.net/registry/entity/LINDS48-ARIN

RTechHandle: LINDS48-ARIN
RTechName:   Lindsay, Shelley 
RTechPhone:  +1-416-947-4215 
RTechEmail:  intellectualproperty@tmx.com
RTechRef:    https://rdap.arin.net/registry/entity/LINDS48-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
AS40332	Montreal Exchange	CA

Upstreams

AS Number	Description	Country
AS40332	Montreal Exchange	CA