ASN AS23229 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23229?

AS23229 is listed under TransCanada Pipelines Ltd..

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.

AS23229 TransCanada Pipelines Ltd.

ASN Lookup Tool

TransCanada Pipelines Ltd. tcenergy.com

CA 11 Routes

AS Data

AS23229

AS23229 – TransCanada Pipelines Ltd.

AS Number	23229
AS Name	TRANSCANADA
Organization	TransCanada Pipelines Ltd. (tpl-39)
Country	CA
Website	tcenergy.com
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-02-13

ASN Intelligence API for production workflows

Use ASN data for AS23229 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.161.208.0/22	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipelines Ltd.	1024
199.185.108.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipelines Limited	512
199.166.130.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	512
199.166.124.0/22	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	1024
199.166.184.0/22	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	1024
199.166.128.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	512
199.166.110.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	512
199.166.120.0/22	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	1024
199.166.136.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	512
199.166.188.0/23	AS23229	TransCanada Pipelines Ltd.	TransCanada Pipeline	512

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:       23229
ASName:         TRANSCANADA
ASHandle:       AS23229
RegDate:        2002-02-13
Updated:        2012-02-24
Ref:            https://rdap.arin.net/registry/autnum/23229


OrgName:        TransCanada Pipelines Ltd.
OrgId:          TPL-39
Address:        450 - 1st. Street S.W.
City:           Calgary
StateProv:      AB
PostalCode:     T2P-4K5
Country:        CA
RegDate:        2002-02-13
Updated:        2011-03-23
Ref:            https://rdap.arin.net/registry/entity/TPL-39


OrgTechHandle: NETWO4253-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-403-920-6455 
OrgTechEmail:  network_data_technical@tcenergy.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4253-ARIN

OrgAbuseHandle: NETWO4247-ARIN
OrgAbuseName:   Network Abuse
OrgAbusePhone:  +1-403-920-5824 
OrgAbuseEmail:  randy_taylor@tcenergy.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4247-ARIN

RTechHandle: NETWO4253-ARIN
RTechName:   Network Operations
RTechPhone:  +1-403-920-6455 
RTechEmail:  network_data_technical@tcenergy.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO4253-ARIN

RAbuseHandle: NETWO4247-ARIN
RAbuseName:   Network Abuse
RAbusePhone:  +1-403-920-5824 
RAbuseEmail:  randy_taylor@tcenergy.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4247-ARIN

RNOCHandle: NETWO4253-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-403-920-6455 
RNOCEmail:  network_data_technical@tcenergy.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO4253-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "23229",
    "as_handle" : "AS23229",
    "as_name" : "TRANSCANADA",
    "tech_contacts" : [ "NETWO4253-ARIN", "NETWO4253-ARIN" ],
    "abuse_contacts" : [ "NETWO4247-ARIN", "NETWO4247-ARIN" ],
    "date_created" : "2002-02-13",
    "date_updated" : "2012-02-24",
    "source" : "https://rdap.arin.net/registry/autnum/23229"
  } ],
  "organization" : {
    "handle" : "TPL-39",
    "name" : "TransCanada Pipelines Ltd.",
    "address" : [ "450 - 1st. Street S.W.", "Calgary", "AB", "T2P-4K5", "CA" ],
    "street" : "1st Street S.w.",
    "city" : "Calgary",
    "state" : "AB",
    "zip_code" : "T2P-4K5",
    "country" : [ "CA" ],
    "date_created" : "2002-02-13",
    "date_updated" : "2011-03-23",
    "source" : "https://rdap.arin.net/registry/entity/TPL-39",
    "addressCountry" : "CA"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO4253-ARIN",
    "name" : "Network Operations",
    "email" : [ "network_data_technical@tcenergy.com" ],
    "phone" : [ "+1-403-920-6455" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO4253-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NETWO4247-ARIN",
    "name" : "Network Abuse",
    "email" : [ "randy_taylor@tcenergy.com" ],
    "phone" : [ "+1-403-920-5824" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO4247-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6327	Shaw Communications	CA
AS577	Bell Canada	CA

Upstreams

AS Number	Description	Country
AS6327	Shaw Communications	CA
AS577	Bell Canada	CA