Report for 36513

Name

BRETSA - BRETSA, 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.

36513 BRETSA - BRETSA, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49579 AS36513        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  BRETSA - BRETSA, 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       %
22646 AS36513       BRETSA - BRETSA, US                                2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  97.107.72.0/23       4777 2497 3356 36513 + Announce - aggregate of 97.107.72.0/24 (4777 2497 3356 36513) and 97.107.73.0/24 (4777 2497 3356 36513)
  97.107.72.0/24       4777 2497 3356 36513 - Withdrawn - aggregated with 97.107.73.0/24 (4777 2497 3356 36513)
  97.107.73.0/24       4777 2497 3356 36513 - Withdrawn - aggregated with 97.107.72.0/24 (4777 2497 3356 36513)

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

AS36513   2 More Specifics   2 Total Advertisements   BRETSA - BRETSA, US
    97.107.72.0/24                97.107.64.0/20
    97.107.73.0/24                97.107.64.0/20

Whois Entry

whois: 402332

IANA has recorded AS36513 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS36513\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:       36513
             ASName:         BRETSA
             ASHandle:       AS36513
             RegDate:        2011-04-07
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/36513
             
             
             OrgName:        BRETSA
             OrgId:          BRETSA
             Address:        3280 Airport Rd
             City:           Boulder
             StateProv:      CO
             PostalCode:     80301
             Country:        US
             RegDate:        2011-03-04
             Updated:        2018-04-26
             Ref:            https://rdap.arin.net/registry/entity/BRETSA
             
             
             OrgTechHandle: ADMIN2473-ARIN
             OrgTechName:   Admin
             OrgTechPhone:  +1-720-564-2940 
             OrgTechEmail:  nkacere@bretsaps.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2473-ARIN
             
             OrgNOCHandle: ADMIN2473-ARIN
             OrgNOCName:   Admin
             OrgNOCPhone:  +1-720-564-2940 
             OrgNOCEmail:  nkacere@bretsaps.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN2473-ARIN
             
             OrgAbuseHandle: ADMIN2473-ARIN
             OrgAbuseName:   Admin
             OrgAbusePhone:  +1-720-564-2940 
             OrgAbuseEmail:  nkacere@bretsaps.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN2473-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.
             #