Report for 54539

Name

CISD - Calhoun ISD, 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.

54539 CISD - Calhoun ISD, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS19653         CTSTELECOM - CTS Communications Corp, US
    AS401307        MISEN-ASN-1 - Michigan Statewide Educational Network, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17385 AS54539        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  CISD - Calhoun ISD, 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       %
23302 AS54539       CISD - Calhoun ISD, US                             3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  199.182.64.0/21      4777 2497 2914 19653 54539   
  199.182.64.0/21      4608 6939 12129 401307 54539 + Announce - aggregate of 199.182.64.0/22 (4608 6939 12129 401307 54539) and 199.182.68.0/22 (4608 6939 12129 401307 54539)
  199.182.64.0/22      4608 6939 12129 401307 54539 - Withdrawn - aggregated with 199.182.68.0/22 (4608 6939 12129 401307 54539)
  199.182.68.0/22      4608 6939 12129 401307 54539 - Withdrawn - aggregated with 199.182.64.0/22 (4608 6939 12129 401307 54539)

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

AS54539   2 More Specifics   3 Total Advertisements   CISD - Calhoun ISD, US
    199.182.64.0/22               199.182.64.0/21
    199.182.68.0/22               199.182.64.0/21

Whois Entry

whois: 402332

IANA has recorded AS54539 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54539\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:       54539
             ASName:         CISD
             ASHandle:       AS54539
             RegDate:        2012-03-13
             Updated:        2012-03-13
             Comment:        https://helpdesk.calhounisd.org
             Ref:            https://rdap.arin.net/registry/autnum/54539
             
             
             OrgName:        Calhoun ISD
             OrgId:          CALHOU-3
             Address:        17111 G Drive North
             City:           Marshall
             StateProv:      MI
             PostalCode:     49068
             Country:        US
             RegDate:        2002-01-03
             Updated:        2012-02-17
             Ref:            https://rdap.arin.net/registry/entity/CALHOU-3
             
             
             OrgNOCHandle: IPADM607-ARIN
             OrgNOCName:   IP Administrator
             OrgNOCPhone:  +1-269-781-5141 
             OrgNOCEmail:  ipadmin@calhounisd.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/IPADM607-ARIN
             
             OrgTechHandle: IPADM607-ARIN
             OrgTechName:   IP Administrator
             OrgTechPhone:  +1-269-781-5141 
             OrgTechEmail:  ipadmin@calhounisd.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM607-ARIN
             
             OrgAbuseHandle: NETWO4975-ARIN
             OrgAbuseName:   Network Abuse
             OrgAbusePhone:  +1-269-781-5141 
             OrgAbuseEmail:  abuse@calhounisd.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4975-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.
             #