Report for 16746

Name

RELIANTENERGY - CenterPoint Energy, Inc., US

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 AS2.0) 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.

16746 RELIANTENERGY - CenterPoint Energy, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS701           UUNET - Verizon Business, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9840  AS16746        ORIGIN  Originate:      10496 /18.64  Transit:          0 /0.00  RELIANTENERGY - CenterPoint Energy, Inc., US

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       %
 4812 AS16746       RELIANTENERGY - CenterPoint Energy, Inc., US      24     15      5     14     10  41.67%


  Prefix               AS Path                              Aggregation Suggestion
  158.81.13.0/24       4777 2497 7018 16746   
  158.81.16.0/22       4777 2497 7018 16746 + Announce - aggregate of 158.81.16.0/23 (4777 2497 7018 16746) and 158.81.18.0/23 (4777 2497 7018 16746)
  158.81.16.0/23       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.18.0/23 (4777 2497 7018 16746)
  158.81.18.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.19.0/24 (4777 2497 7018 16746)
  158.81.19.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.18.0/24 (4777 2497 7018 16746)
  158.81.24.0/22       4777 2497 7018 16746 + Announce - aggregate of 158.81.24.0/23 (4777 2497 7018 16746) and 158.81.26.0/23 (4777 2497 7018 16746)
  158.81.24.0/23       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.26.0/23 (4777 2497 7018 16746)
  158.81.26.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.27.0/24 (4777 2497 7018 16746)
  158.81.27.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.26.0/24 (4777 2497 7018 16746)
  158.81.33.0/24       4777 2497 7018 16746   
  158.81.35.0/24       4777 2497 7018 16746   
  158.81.36.0/24       4777 2497 7018 16746   
  158.81.45.0/24       4777 2497 7018 16746   
  158.81.46.0/23       4777 2497 7018 16746 + Announce - aggregate of 158.81.46.0/24 (4777 2497 7018 16746) and 158.81.47.0/24 (4777 2497 7018 16746)
  158.81.46.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.47.0/24 (4777 2497 7018 16746)
  158.81.47.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.46.0/24 (4777 2497 7018 16746)
  158.81.48.0/23       4777 2497 7018 16746 + Announce - aggregate of 158.81.48.0/24 (4777 2497 7018 16746) and 158.81.49.0/24 (4777 2497 7018 16746)
  158.81.48.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.49.0/24 (4777 2497 7018 16746)
  158.81.49.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.48.0/24 (4777 2497 7018 16746)
  158.81.55.0/24       4777 2497 7018 16746   
  158.81.64.0/20       4777 2497 7018 16746   
  158.81.65.0/24       4777 2497 7018 16746 - Withdrawn - matching aggregate 158.81.64.0/20 4777 2497 7018 16746
  158.81.66.0/24       4777 2497 7018 16746 - Withdrawn - matching aggregate 158.81.64.0/20 4777 2497 7018 16746
  158.81.78.0/24       4777 2497 7018 16746 - Withdrawn - matching aggregate 158.81.64.0/20 4777 2497 7018 16746
  158.81.80.0/23       4777 2497 7018 16746 + Announce - aggregate of 158.81.80.0/24 (4777 2497 7018 16746) and 158.81.81.0/24 (4777 2497 7018 16746)
  158.81.80.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.81.0/24 (4777 2497 7018 16746)
  158.81.81.0/24       4777 2497 7018 16746 - Withdrawn - aggregated with 158.81.80.0/24 (4777 2497 7018 16746)
  158.81.82.0/24       4777 2497 7018 16746   
  158.81.96.0/24       4777 2497 7018 16746   

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

AS16746   24 More Specifics   24 Total Advertisements   RELIANTENERGY - CenterPoint Energy, Inc., US
    158.81.13.0/24                158.81.0.0/17
    158.81.16.0/23                158.81.0.0/17
    158.81.18.0/24                158.81.0.0/17
    158.81.19.0/24                158.81.0.0/17
    158.81.24.0/23                158.81.0.0/17
    158.81.26.0/24                158.81.0.0/17
    158.81.27.0/24                158.81.0.0/17
    158.81.33.0/24                158.81.0.0/17
    158.81.35.0/24                158.81.0.0/17
    158.81.36.0/24                158.81.0.0/17
    158.81.45.0/24                158.81.0.0/17
    158.81.46.0/24                158.81.0.0/17
    158.81.47.0/24                158.81.0.0/17
    158.81.48.0/24                158.81.0.0/17
    158.81.49.0/24                158.81.0.0/17
    158.81.55.0/24                158.81.0.0/17
    158.81.64.0/20                158.81.0.0/17
    158.81.65.0/24                158.81.0.0/17
    158.81.66.0/24                158.81.0.0/17
    158.81.78.0/24                158.81.0.0/17
    158.81.80.0/24                158.81.0.0/17
    158.81.81.0/24                158.81.0.0/17
    158.81.82.0/24                158.81.0.0/17
    158.81.96.0/24                158.81.0.0/17

Whois Entry

whois: 402591

IANA has recorded AS16746 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16746\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:       16746
             ASName:         RELIANTENERGY
             ASHandle:       AS16746
             RegDate:        2000-06-05
             Updated:        2023-07-19
             Ref:            https://rdap.arin.net/registry/autnum/16746
             
             
             OrgName:        CenterPoint Energy, Inc.
             OrgId:          CE-1291
             Address:        PO BOX 4567
             City:           Houston
             StateProv:      TX
             PostalCode:     77210
             Country:        US
             RegDate:        2022-11-15
             Updated:        2023-05-31
             Ref:            https://rdap.arin.net/registry/entity/CE-1291
             
             
             OrgAbuseHandle: NETWO9786-ARIN
             OrgAbuseName:   Network Services
             OrgAbusePhone:  +1-713-207-4357 
             OrgAbuseEmail:  it-networkservices@centerpointenergy.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9786-ARIN
             
             OrgTechHandle: NETWO9786-ARIN
             OrgTechName:   Network Services
             OrgTechPhone:  +1-713-207-4357 
             OrgTechEmail:  it-networkservices@centerpointenergy.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9786-ARIN
             
             OrgNOCHandle: NETWO9786-ARIN
             OrgNOCName:   Network Services
             OrgNOCPhone:  +1-713-207-4357 
             OrgNOCEmail:  it-networkservices@centerpointenergy.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9786-ARIN
             
             OrgRoutingHandle: NETWO9786-ARIN
             OrgRoutingName:   Network Services
             OrgRoutingPhone:  +1-713-207-4357 
             OrgRoutingEmail:  it-networkservices@centerpointenergy.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9786-ARIN
             
             OrgDNSHandle: NETWO9786-ARIN
             OrgDNSName:   Network Services
             OrgDNSPhone:  +1-713-207-4357 
             OrgDNSEmail:  it-networkservices@centerpointenergy.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9786-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.
             #