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AS402353 TransCanada Pipelines Limited

Q: Why is WHOIS data shown for an ASN?

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

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TransCanada Pipelines Limited tcenergy.com

US 0 Routes

AS Data

AS402353

AS402353 – TransCanada Pipelines Limited

AS Number	402353
AS Name	TC-MX-C
Organization	TransCanada Pipelines Limited (tpl-210)
Country	US
Website	tcenergy.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2026-04-02

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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:       402353
ASName:         TC-MX-C
ASHandle:       AS402353
RegDate:        2026-04-02
Updated:        2026-04-02
Ref:            https://rdap.arin.net/registry/autnum/402353


OrgName:        TransCanada Pipelines Limited
OrgId:          TPL-210
Address:        700 Louisiana Street
City:           Houston
StateProv:      TX
PostalCode:     77002-2700
Country:        US
RegDate:        2018-09-04
Updated:        2018-11-05
Ref:            https://rdap.arin.net/registry/entity/TPL-210


OrgNOCHandle: NETWO4253-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-403-920-6455 
OrgNOCEmail:  network_data_technical@tcenergy.com
OrgNOCRef:    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

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


#
# 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" : "402353",
    "as_handle" : "AS402353",
    "as_name" : "TC-MX-C",
    "tech_contacts" : [ "NETWO4253-ARIN" ],
    "abuse_contacts" : [ "NETWO4247-ARIN" ],
    "date_created" : "2026-04-02",
    "date_updated" : "2026-04-02",
    "source" : "https://rdap.arin.net/registry/autnum/402353"
  } ],
  "organization" : {
    "handle" : "TPL-210",
    "name" : "TransCanada Pipelines Limited",
    "address" : [ "700 Louisiana Street", "Houston", "TX", "77002-2700", "US" ],
    "street" : "Louisiana Street",
    "city" : "Houston",
    "state" : "TX",
    "zip_code" : "77002-2700",
    "country" : [ "US" ],
    "date_created" : "2018-09-04",
    "date_updated" : "2018-11-05",
    "source" : "https://rdap.arin.net/registry/entity/TPL-210",
    "addressCountry" : "US"
  },
  "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"
  } ]
}

Frequently Asked Questions

What is ASN AS402353?

ASN AS402353 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402353?

AS402353 is listed under TransCanada Pipelines Limited.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.