Report for 10561

Name

BRANDEIS - Brandeis University, 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.

10561 BRANDEIS - Brandeis University

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS10961   BGP-AS - Boston GigaPoP
    AS6079    RCN-AS - RCN Corporation

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2050  AS10561  ORIGIN  Originate:      71424 /15.88  Transit:          0 /0.00  BRANDEIS - Brandeis University

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       %
 2980 AS10561 BRANDEIS - Brandeis University               24      6      3     21      3  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  129.64.0.0/16        4637 6079 10561 10561 10561 10561   
  129.64.2.0/24        4637 3491 3561 1239 10961 10561   
  129.64.4.0/24        4637 3491 3561 1239 10961 10561   
  129.64.23.0/24       4637 3491 3561 1239 10961 10561   
  129.64.24.0/23       4637 3491 3561 1239 10961 10561 + Announce - aggregate of 129.64.24.0/24 (4637 3491 3561 1239 10961 10561) and 129.64.25.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.24.0/24       4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.25.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.25.0/24       4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.24.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.45.0/24       4637 3491 3561 1239 10961 10561   
  129.64.55.0/24       4637 3491 3561 1239 10961 10561   
  129.64.129.0/24      4637 3491 3561 1239 10961 10561   
  129.64.130.0/23      4637 3491 3561 1239 10961 10561 + Announce - aggregate of 129.64.130.0/24 (4637 3491 3561 1239 10961 10561) and 129.64.131.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.130.0/24      4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.131.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.131.0/24      4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.130.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.141.0/24      4637 3491 3561 1239 10961 10561   
  129.64.143.0/24      4637 3491 3561 1239 10961 10561   
  129.64.145.0/24      4637 3491 3561 1239 10961 10561   
  129.64.146.0/24      4637 3491 3561 1239 10961 10561   
  129.64.152.0/23      4637 3491 3561 1239 10961 10561 + Announce - aggregate of 129.64.152.0/24 (4637 3491 3561 1239 10961 10561) and 129.64.153.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.152.0/24      4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.153.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.153.0/24      4637 3491 3561 1239 10961 10561 - Withdrawn - aggregated with 129.64.152.0/24 (4637 3491 3561 1239 10961 10561)
  129.64.154.0/24      4637 3491 3561 1239 10961 10561   
  129.64.165.0/24      4637 3491 3561 1239 10961 10561   
  129.64.167.0/24      4637 3491 3561 1239 10961 10561   
  129.64.169.0/24      4637 3491 3561 1239 10961 10561   
  129.64.171.0/24      4637 3491 3561 1239 10961 10561   
  129.64.173.0/24      4637 3491 3561 1239 10961 10561   
  129.64.174.0/24      4637 3491 3561 1239 10961 10561   

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

AS10561   24 More Specifics   25 Total Advertisements   BRANDEIS - Brandeis University
    129.64.2.0/24                 129.64.0.0/16
    129.64.4.0/24                 129.64.0.0/16
    129.64.23.0/24                129.64.0.0/16
    129.64.24.0/24                129.64.0.0/16
    129.64.25.0/24                129.64.0.0/16
    129.64.28.0/24                129.64.0.0/16
    129.64.45.0/24                129.64.0.0/16
    129.64.55.0/24                129.64.0.0/16
    129.64.129.0/24               129.64.0.0/16
    129.64.130.0/24               129.64.0.0/16
    129.64.131.0/24               129.64.0.0/16
    129.64.141.0/24               129.64.0.0/16
    129.64.143.0/24               129.64.0.0/16
    129.64.145.0/24               129.64.0.0/16
    129.64.146.0/24               129.64.0.0/16
    129.64.152.0/24               129.64.0.0/16
    129.64.153.0/24               129.64.0.0/16
    129.64.154.0/24               129.64.0.0/16
    129.64.165.0/24               129.64.0.0/16
    129.64.167.0/24               129.64.0.0/16
    129.64.169.0/24               129.64.0.0/16
    129.64.171.0/24               129.64.0.0/16
    129.64.173.0/24               129.64.0.0/16
    129.64.174.0/24               129.64.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS10561 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS10561\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:       10561
             ASName:         BRANDEIS
             ASHandle:       AS10561
             RegDate:        1997-09-15
             Updated:        2020-09-15
             Ref:            https://rdap.arin.net/registry/autnum/10561
             
             
             OrgName:        Brandeis University
             OrgId:          BRANDE-Z
             Address:        415 South Street
             City:           Waltham
             StateProv:      MA
             PostalCode:     02454
             Country:        US
             RegDate:        2020-08-28
             Updated:        2025-11-12
             Ref:            https://rdap.arin.net/registry/entity/BRANDE-Z
             
             
             OrgNOCHandle: ZB114-ARIN
             OrgNOCName:   Brandeis University Information Technology
             OrgNOCPhone:  +1-781-736-4571 
             OrgNOCEmail:  noc@brandeis.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ZB114-ARIN
             
             OrgTechHandle: MF8-ARIN
             OrgTechName:   Fitzgerald, Michael 
             OrgTechPhone:  +1-617-832-0453 
             OrgTechEmail:  fitzm@brandeis.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/MF8-ARIN
             
             OrgAbuseHandle: ZB114-ARIN
             OrgAbuseName:   Brandeis University Information Technology
             OrgAbusePhone:  +1-781-736-4571 
             OrgAbuseEmail:  noc@brandeis.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZB114-ARIN
             
             OrgTechHandle: CARRI284-ARIN
             OrgTechName:   Carriere, Kevin 
             OrgTechPhone:  +1-781-736-4612 
             OrgTechEmail:  kevinc@brandeis.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/CARRI284-ARIN
             
             RTechHandle: MF8-ARIN
             RTechName:   Fitzgerald, Michael 
             RTechPhone:  +1-617-832-0453 
             RTechEmail:  fitzm@brandeis.edu
             RTechRef:    https://rdap.arin.net/registry/entity/MF8-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.
             #