Report for 11203

Name

MATRIX-BROADBAND - Matrix Broadband, 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.

11203 MATRIX-BROADBAND - Matrix Broadband, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16117 AS11203        ORIGIN  Originate:       4352 /19.91  Transit:          0 /0.00  MATRIX-BROADBAND - Matrix Broadband, 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       %
 5175 AS11203       MATRIX-BROADBAND - Matrix Broadband, US           17     12      3      8      9  52.94%


  Prefix               AS Path                              Aggregation Suggestion
  38.51.112.0/21       4777 2497 7018 11203 + Announce - aggregate of 38.51.112.0/22 (4777 2497 7018 11203) and 38.51.116.0/22 (4777 2497 7018 11203)
  38.51.112.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.113.0/24 (4777 2497 7018 11203)
  38.51.113.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.112.0/24 (4777 2497 7018 11203)
  38.51.114.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.115.0/24 (4777 2497 7018 11203)
  38.51.115.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.114.0/24 (4777 2497 7018 11203)
  38.51.116.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.117.0/24 (4777 2497 7018 11203)
  38.51.117.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.116.0/24 (4777 2497 7018 11203)
  38.51.118.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.119.0/24 (4777 2497 7018 11203)
  38.51.119.0/24       4777 2497 7018 11203 - Withdrawn - aggregated with 38.51.118.0/24 (4777 2497 7018 11203)
  192.0.8.0/23         4777 2497 7018 11203 + Announce - aggregate of 192.0.8.0/24 (4777 2497 7018 11203) and 192.0.9.0/24 (4777 2497 7018 11203)
  192.0.8.0/24         4777 2497 7018 11203 - Withdrawn - aggregated with 192.0.9.0/24 (4777 2497 7018 11203)
  192.0.9.0/24         4777 2497 7018 11203 - Withdrawn - aggregated with 192.0.8.0/24 (4777 2497 7018 11203)
  192.0.10.0/24        4777 2516 3356 11203   
  192.0.11.0/24        4777 2497 7018 11203   
  192.0.12.0/23        4777 2497 7018 11203 + Announce - aggregate of 192.0.12.0/24 (4777 2497 7018 11203) and 192.0.13.0/24 (4777 2497 7018 11203)
  192.0.12.0/24        4777 2497 7018 11203 - Withdrawn - aggregated with 192.0.13.0/24 (4777 2497 7018 11203)
  192.0.13.0/24        4777 2497 7018 11203 - Withdrawn - aggregated with 192.0.12.0/24 (4777 2497 7018 11203)
  192.0.14.0/24        4777 2497 7018 11203   
  192.0.15.0/24        4777 2516 3356 11203   
  192.209.0.0/24       4777 2497 7018 11203   

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

AS11203   16 More Specifics   17 Total Advertisements   MATRIX-BROADBAND - Matrix Broadband, US
    38.51.112.0/24                38.0.0.0/8
    38.51.113.0/24                38.0.0.0/8
    38.51.114.0/24                38.0.0.0/8
    38.51.115.0/24                38.0.0.0/8
    38.51.116.0/24                38.0.0.0/8
    38.51.117.0/24                38.0.0.0/8
    38.51.118.0/24                38.0.0.0/8
    38.51.119.0/24                38.0.0.0/8
    192.0.8.0/24                  192.0.8.0/21
    192.0.9.0/24                  192.0.8.0/21
    192.0.10.0/24                 192.0.8.0/21
    192.0.11.0/24                 192.0.8.0/21
    192.0.12.0/24                 192.0.8.0/21
    192.0.13.0/24                 192.0.8.0/21
    192.0.14.0/24                 192.0.8.0/21
    192.0.15.0/24                 192.0.8.0/21

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

    + 192.0.10.0/24               Announced
    + 192.0.15.0/24               Announced

Whois Entry

whois: 402332

IANA has recorded AS11203 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11203\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:       11203
             ASName:         MATRIX-BROADBAND
             ASHandle:       AS11203
             RegDate:        2012-10-26
             Updated:        2025-09-19
             Comment:        http://www.matrixbroadband.net
             Ref:            https://rdap.arin.net/registry/autnum/11203
             
             
             OrgName:        Matrix Broadband
             OrgId:          ZINNI-1
             Address:        1660 W Linne Road, Suite H
             City:           Tracy
             StateProv:      CA
             PostalCode:     95377
             Country:        US
             RegDate:        2004-08-02
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/ZINNI-1
             
             
             OrgTechHandle: CJA24-ARIN
             OrgTechName:   Jasty, Chau 
             OrgTechPhone:  +1-209-832-4420 
             OrgTechEmail:  cjasty@matrixbroadband.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/CJA24-ARIN
             
             OrgAbuseHandle: CJA24-ARIN
             OrgAbuseName:   Jasty, Chau 
             OrgAbusePhone:  +1-209-832-4420 
             OrgAbuseEmail:  cjasty@matrixbroadband.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CJA24-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.
             #