Report for 13880

Name

ACSL-AS1 - American Century Services, LLC, 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.

13880 ACSL-AS1 - American Century Services, LLC, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS15164         UPNLLC - Unite Private Networks LLC., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24280 AS13880        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  ACSL-AS1 - American Century Services, LLC, 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       %
15821 AS13880       ACSL-AS1 - American Century Services, LLC, US      6      2      0      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  216.230.48.0/23      4777 2516 3356 13880   
  216.230.48.0/24      4608 6939 15164 13880   
  216.230.49.0/24      4777 2516 3356 13880 - Withdrawn - matching aggregate 216.230.48.0/23 4777 2516 3356 13880
  216.230.62.0/23      4777 2516 3356 13880   
  216.230.62.0/24      4608 6939 15164 13880   
  216.230.63.0/24      4777 2516 3356 13880 - Withdrawn - matching aggregate 216.230.62.0/23 4777 2516 3356 13880

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

AS13880   6 More Specifics   6 Total Advertisements   ACSL-AS1 - American Century Services, LLC, US
    216.230.48.0/23               216.230.48.0/20
    216.230.48.0/24               216.230.48.0/20
    216.230.49.0/24               216.230.48.0/20
    216.230.62.0/23               216.230.48.0/20
    216.230.62.0/24               216.230.48.0/20
    216.230.63.0/24               216.230.48.0/20

Whois Entry

whois: 402603

IANA has recorded AS13880 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS13880\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:       13880
             ASName:         ACSL-AS1
             ASHandle:       AS13880
             RegDate:        1999-09-02
             Updated:        2022-03-15
             Ref:            https://rdap.arin.net/registry/autnum/13880
             
             
             OrgName:        American Century Services, LLC
             OrgId:          ACSL-22
             Address:        4500 Main Street
             City:           Kansas City
             StateProv:      MO
             PostalCode:     64111
             Country:        US
             RegDate:        2012-07-13
             Updated:        2022-01-27
             Ref:            https://rdap.arin.net/registry/entity/ACSL-22
             
             
             OrgDNSHandle: ITNET32-ARIN
             OrgDNSName:   IT-Network-Services
             OrgDNSPhone:  +1-816-340-4250 
             OrgDNSEmail:  it-ns-vendornotify@americancentury.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ITNET32-ARIN
             
             OrgRoutingHandle: ITNET32-ARIN
             OrgRoutingName:   IT-Network-Services
             OrgRoutingPhone:  +1-816-340-4250 
             OrgRoutingEmail:  it-ns-vendornotify@americancentury.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ITNET32-ARIN
             
             OrgAbuseHandle: ITNET32-ARIN
             OrgAbuseName:   IT-Network-Services
             OrgAbusePhone:  +1-816-340-4250 
             OrgAbuseEmail:  it-ns-vendornotify@americancentury.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITNET32-ARIN
             
             OrgTechHandle: ITNET32-ARIN
             OrgTechName:   IT-Network-Services
             OrgTechPhone:  +1-816-340-4250 
             OrgTechEmail:  it-ns-vendornotify@americancentury.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ITNET32-ARIN
             
             OrgNOCHandle: ITNET32-ARIN
             OrgNOCName:   IT-Network-Services
             OrgNOCPhone:  +1-816-340-4250 
             OrgNOCEmail:  it-ns-vendornotify@americancentury.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ITNET32-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.
             #