Report for 18933

Name

USCC-MPLS01 - T-Mobile USA, 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 AS6447) 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.

18933 USCC-MPLS01, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6614          USCC-ASN, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2454  AS18933        ORIGIN  Originate:      93184 /15.49  Transit:          0 /0.00  USCC-MPLS01, 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       %
16068 AS18933       USCC-MPLS01, US                                   14      4      2     12      2  14.29%


  Prefix               AS Path                              Aggregation Suggestion
  165.27.240.0/22      2914 6614 6614 6614 6614 6614 {18933}   
  165.27.248.0/24      6939 6614 6614 6614 6614 6614 18933   
  165.27.253.0/24      6939 6614 6614 6614 6614 6614 18933   
  166.181.160.0/20     6939 6614 6614 6614 6614 6614 18933   
  166.182.0.0/16       2914 6614 6614 6614 6614 6614 {18933}   
  166.182.160.0/20     6939 6614 6614 6614 6614 6614 18933   
  166.224.192.0/18     6939 6614 6614 6614 6614 6614 18933 + Announce - aggregate of 166.224.192.0/19 (6939 6614 6614 6614 6614 6614 18933) and 166.224.224.0/19 (6939 6614 6614 6614 6614 6614 18933)
  166.224.192.0/19     6939 6614 6614 6614 6614 6614 18933 - Withdrawn - aggregated with 166.224.224.0/19 (6939 6614 6614 6614 6614 6614 18933)
  166.224.224.0/19     6939 6614 6614 6614 6614 6614 18933 - Withdrawn - aggregated with 166.224.192.0/19 (6939 6614 6614 6614 6614 6614 18933)
  198.227.57.0/24      6939 6614 6614 6614 6614 6614 18933   
  198.227.60.0/23      6939 6614 6614 6614 6614 6614 18933 + Announce - aggregate of 198.227.60.0/24 (6939 6614 6614 6614 6614 6614 18933) and 198.227.61.0/24 (6939 6614 6614 6614 6614 6614 18933)
  198.227.60.0/24      6939 6614 6614 6614 6614 6614 18933 - Withdrawn - aggregated with 198.227.61.0/24 (6939 6614 6614 6614 6614 6614 18933)
  198.227.61.0/24      6939 6614 6614 6614 6614 6614 18933 - Withdrawn - aggregated with 198.227.60.0/24 (6939 6614 6614 6614 6614 6614 18933)
  198.227.189.0/24     6939 6614 6614 6614 6614 6614 18933   
  198.227.238.0/24     6939 6614 6614 6614 6614 6614 18933   
  198.227.249.0/24     6939 6614 6614 6614 6614 6614 18933   

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

AS18933   17 More Specifics   17 Total Advertisements   USCC-MPLS01, US
    165.27.240.0/22               165.27.0.0/16
    165.27.244.0/22               165.27.0.0/16
    165.27.248.0/24               165.27.0.0/16
    165.27.253.0/24               165.27.0.0/16
    166.182.0.0/16                166.128.0.0/9
    166.224.192.0/19              166.128.0.0/9
    166.224.224.0/19              166.128.0.0/9
    166.236.0.0/18                166.128.0.0/9
    166.236.64.0/18               166.128.0.0/9
    166.236.128.0/18              166.128.0.0/9
    166.236.192.0/18              166.128.0.0/9
    198.227.57.0/24               198.227.0.0/16
    198.227.60.0/24               198.227.0.0/16
    198.227.61.0/24               198.227.0.0/16
    198.227.189.0/24              198.227.0.0/16
    198.227.238.0/24              198.227.0.0/16
    198.227.249.0/24              198.227.0.0/16
    166.181.160.0/20              166.128.0.0/9
    166.182.160.0/20              166.128.0.0/9

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 166.181.160.0/20            Withdrawn
    - 166.182.160.0/20            Withdrawn

Whois Entry

whois: 402609

IANA has recorded AS18933 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18933\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:       18933
             ASName:         USCC-MPLS01
             ASHandle:       AS18933
             RegDate:        2007-04-17
             Updated:        2025-09-11
             Ref:            https://rdap.arin.net/registry/autnum/18933
             
             
             
             OrgName:        T-Mobile USA, Inc.
             OrgId:          TMOBI
             Address:        12920 SE 38th Street
             City:           Bellevue
             StateProv:      WA
             PostalCode:     98006
             Country:        US
             RegDate:        2003-01-02
             Updated:        2017-01-28
             Ref:            https://rdap.arin.net/registry/entity/TMOBI
             
             
             OrgAbuseHandle: ABUSE4857-ARIN
             OrgAbuseName:   abuse
             OrgAbusePhone:  +1-888-662-4662 
             OrgAbuseEmail:  abuse@t-mobile.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4857-ARIN
             
             OrgTechHandle: DNSAD11-ARIN
             OrgTechName:   DNS Administrators
             OrgTechPhone:  +1-888-662-4662 
             OrgTechEmail:  ARINtechcontact@t-mobile.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD11-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.
             #