Report for 17215

Name

AMEREN-AS3 - Ameren Corp., 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.

17215 AMEREN-AS3 - Ameren Corp., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS22677         CHARTER-22677-MO-IL-C3 - Charter Communications LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44417 AS17215        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  AMEREN-AS3 - Ameren Corp., 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       %
34025 AS17215       AMEREN-AS3 - Ameren Corp., US                      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  198.51.215.0/24      4777 2516 174 17215    
  199.38.133.0/24      4777 2497 7018 17215   
  204.136.7.0/24       4777 2516 20115 22677 17215   

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

AS17215   1 More Specifics   3 Total Advertisements   AMEREN-AS3 - Ameren Corp., US
    204.136.7.0/24                204.136.0.0/21

Whois Entry

whois: 402332

IANA has recorded AS17215 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS17215\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:       17215
             ASName:         AMEREN-AS3
             ASHandle:       AS17215
             RegDate:        2006-11-14
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/17215
             
             
             OrgName:        Ameren Corp.
             OrgId:          AMEREN-2
             Address:        1901 Chouteau Ave.
             City:           St. Louis
             StateProv:      MO
             PostalCode:     63103
             Country:        US
             RegDate:        2002-02-21
             Updated:        2013-02-06
             Ref:            https://rdap.arin.net/registry/entity/AMEREN-2
             
             
             OrgAbuseHandle: NOC2020-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-314-206-0662 
             OrgAbuseEmail:  noc@ameren.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN
             
             OrgTechHandle: AIR5-ARIN
             OrgTechName:   Ameren Internet Registry
             OrgTechPhone:  +1-314-554-3883 
             OrgTechEmail:  arin@ameren.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/AIR5-ARIN
             
             OrgAbuseHandle: AIR5-ARIN
             OrgAbuseName:   Ameren Internet Registry
             OrgAbusePhone:  +1-314-554-3883 
             OrgAbuseEmail:  arin@ameren.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/AIR5-ARIN
             
             OrgNOCHandle: NOC2020-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-314-206-0662 
             OrgNOCEmail:  noc@ameren.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN
             
             RNOCHandle: NOC2020-ARIN
             RNOCName:   Network Operations Center
             RNOCPhone:  +1-314-206-0662 
             RNOCEmail:  noc@ameren.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NOC2020-ARIN
             
             RTechHandle: AIR5-ARIN
             RTechName:   Ameren Internet Registry
             RTechPhone:  +1-314-554-3883 
             RTechEmail:  arin@ameren.com
             RTechRef:    https://rdap.arin.net/registry/entity/AIR5-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.
             #