Report for 21948

Name

BROCADE - Avago Technologies U.S. 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 AS4637) 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.

21948 ASN-MCDATA McData Corporation

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS209     ASN-QWEST - Qwest
    AS8928    INTEROUTE Interoute Communications Ltd
    AS7132    SBIS-AS - AT&T Internet Services

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3281  AS21948  ORIGIN  Originate:      49664 /16.40  Transit:          0 /0.00  ASN-MCDATA McData Corporation

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       %
14088 AS21948 ASN-MCDATA McData Corporation                 4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  144.49.64.0/18       4637 3356 8928 21948   
  144.49.128.0/18      4637 7132 21948        
  144.49.192.0/18      4637 209 21948         
  208.47.132.0/23      4637 209 21948         

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

AS21948   4 More Specifics   4 Total Advertisements   ASN-MCDATA McData Corporation
    144.49.64.0/18                144.49.0.0/16
    144.49.128.0/18               144.49.0.0/16
    144.49.192.0/18               144.49.0.0/16
    208.47.132.0/23               208.44.0.0/14

Whois Entry

whois: 402603

IANA has recorded AS21948 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21948\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:       21948
             ASName:         BROCADE
             ASHandle:       AS21948
             RegDate:        2001-07-17
             Updated:        2024-02-05
             Ref:            https://rdap.arin.net/registry/autnum/21948
             
             
             OrgName:        Avago Technologies U.S. Inc.
             OrgId:          ATU-3
             Address:        1320 Ridder Park Drive
             City:           San Jose
             StateProv:      CA
             PostalCode:     95131
             Country:        US
             RegDate:        2006-01-23
             Updated:        2021-04-19
             Ref:            https://rdap.arin.net/registry/entity/ATU-3
             
             
             OrgRoutingHandle: NUTHA-ARIN
             OrgRoutingName:   nuthall, stephen 
             OrgRoutingPhone:  +07827 232391 
             OrgRoutingEmail:  stephen.nuthall@broadcom.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NUTHA-ARIN
             
             OrgAbuseHandle: NVS2-ARIN
             OrgAbuseName:   Network and Voice Services
             OrgAbusePhone:  +1-888-574-4357 
             OrgAbuseEmail:  domains.admin@broadcom.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NVS2-ARIN
             
             OrgTechHandle: NVS2-ARIN
             OrgTechName:   Network and Voice Services
             OrgTechPhone:  +1-888-574-4357 
             OrgTechEmail:  domains.admin@broadcom.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NVS2-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.
             #