Report for 23229

Name

TRANSCANADA - TransCanada Pipelines Ltd., CA

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS4637) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

23229 TRANSCANADA - TransCanada Pipelines Ltd.

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6539    GT-BELL - Bell Canada
    AS852     ASN852 - Telus Advanced Communications

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8376  AS23229  ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  TRANSCANADA - TransCanada Pipelines Ltd.

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 5539 AS23229 TRANSCANADA - TransCanada Pipelines Ltd.      8      2      1      7      1  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  198.161.208.0/22     4637 852 23229         
  199.166.110.0/23     4637 852 23229         
  199.166.120.0/21     4637 6539 23229      + Announce - aggregate of 199.166.120.0/22 (4637 6539 23229) and 199.166.124.0/22 (4637 6539 23229)
  199.166.120.0/22     4637 6539 23229      - Withdrawn - aggregated with 199.166.124.0/22 (4637 6539 23229)
  199.166.124.0/22     4637 6539 23229      - Withdrawn - aggregated with 199.166.120.0/22 (4637 6539 23229)
  199.166.128.0/23     4637 6539 23229        
  199.166.184.0/22     4637 852 23229         
  199.166.188.0/23     4637 852 23229         
  199.185.108.0/23     4637 852 23229         

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS23229   5 More Specifics   9 Total Advertisements   TRANSCANADA - TransCanada Pipelines Ltd.
    74.202.250.0/23               74.202.0.0/16
    199.166.110.0/23              199.166.64.0/18
    199.166.120.0/22              199.166.64.0/18
    199.166.124.0/22              199.166.64.0/18
    199.166.128.0/23              199.166.128.0/19

Whois Entry

whois: 402332

IANA has recorded AS23229 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23229\n             
             #
             # 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.
             #