Report for 40252

Name

CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District, 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.

40252 CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11686         ZAYO-ENA-11686 - Zayo Bandwidth, US
    AS600           OARNET-AS - OARnet, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17107 AS40252        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District, 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       %
 8577 AS40252       CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Clevela      9      5      0      4      5  55.56%


  Prefix               AS Path                              Aggregation Suggestion
  208.71.72.0/21       4777 2497 174 11686 40252   
  208.71.72.0/24       4608 6939 600 40252    
  208.71.73.0/24       4777 2497 174 11686 40252 - Withdrawn - matching aggregate 208.71.72.0/21 4777 2497 174 11686 40252
  208.71.74.0/24       4777 2497 174 11686 40252 - Withdrawn - matching aggregate 208.71.72.0/21 4777 2497 174 11686 40252
  208.71.75.0/24       4608 6939 600 40252    
  208.71.76.0/24       4777 2497 174 11686 40252 - Withdrawn - matching aggregate 208.71.72.0/21 4777 2497 174 11686 40252
  208.71.77.0/24       4777 2497 174 11686 40252 - Withdrawn - matching aggregate 208.71.72.0/21 4777 2497 174 11686 40252
  208.71.78.0/24       4777 2497 174 11686 40252 - Withdrawn - matching aggregate 208.71.72.0/21 4777 2497 174 11686 40252
  208.71.79.0/24       4608 6939 600 40252    

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

AS40252   8 More Specifics   9 Total Advertisements   CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District, US
    208.71.72.0/24                208.71.72.0/21
    208.71.73.0/24                208.71.72.0/21
    208.71.74.0/24                208.71.72.0/21
    208.71.75.0/24                208.71.72.0/21
    208.71.76.0/24                208.71.72.0/21
    208.71.77.0/24                208.71.72.0/21
    208.71.78.0/24                208.71.72.0/21
    208.71.79.0/24                208.71.72.0/21

Whois Entry

whois: 402332

IANA has recorded AS40252 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40252\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:       40252
             ASName:         CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT
             ASHandle:       AS40252
             RegDate:        2006-09-26
             Updated:        2023-02-07
             Comment:        Cleveland Municipal School District
             Ref:            https://rdap.arin.net/registry/autnum/40252
             
             
             OrgName:        Cleveland Municipal School District
             OrgId:          CMSD
             Address:        1349 E 79th St
             City:           Cleveland
             StateProv:      OH
             PostalCode:     44103
             Country:        US
             RegDate:        2006-08-01
             Updated:        2024-02-07
             Comment:        Cleveland Municipal School District
             Ref:            https://rdap.arin.net/registry/entity/CMSD
             
             
             OrgTechHandle: COSTE196-ARIN
             OrgTechName:   Costello, Joseph 
             OrgTechPhone:  +1-330-333-1755 
             OrgTechEmail:  joseph.costello@clevelandmetroschools.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/COSTE196-ARIN
             
             OrgTechHandle: YARBR43-ARIN
             OrgTechName:   Yarbrough, Marlon 
             OrgTechPhone:  +1-216-838-5963 
             OrgTechEmail:  marlon.yarbrough@clevelandmetroschools.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/YARBR43-ARIN
             
             OrgAbuseHandle: CWDCHD-ARIN
             OrgAbuseName:   CMSD Woodland Data Center Help Desk
             OrgAbusePhone:  +1-216-838-0440 
             OrgAbuseEmail:  abuse@Clevelandmetroschools.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CWDCHD-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.
             #