Report for 397367

Name

CRANBROOK-01 - Cranbrook Educational Community, 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.

397367 CRANBROOK-01 - Cranbrook Educational Community, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33668         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32081 AS397367       ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  CRANBROOK-01 - Cranbrook Educational Community, 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       %
75728 AS397367      CRANBROOK-01 - Cranbrook Educational Communit      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  198.134.8.0/22       4777 2516 7922 33668 397367   
  198.134.12.0/23      4777 2516 7922 33668 397367   

Whois Entry

whois: 402617

IANA has recorded AS397367 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397367\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:       397367
             ASName:         CRANBROOK-01
             ASHandle:       AS397367
             RegDate:        2019-03-07
             Updated:        2019-03-07
             Comment:        www.cranbrook.edu
             Comment:        NOC Hours 
             Comment:        7:00AM to 5:00PM EST
             Ref:            https://rdap.arin.net/registry/autnum/397367
             
             
             OrgName:        Cranbrook Educational Community
             OrgId:          CEC-1
             Address:        522 Lone Pine Road
             City:           Bloomfield Hills
             StateProv:      MI
             PostalCode:     48304
             Country:        US
             RegDate:        1993-04-01
             Updated:        2022-02-15
             Ref:            https://rdap.arin.net/registry/entity/CEC-1
             
             
             OrgRoutingHandle: KLEIN350-ARIN
             OrgRoutingName:   Klein, Jacob 
             OrgRoutingPhone:  +1-810-691-3573 
             OrgRoutingEmail:  postmaster@cranbrook.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/KLEIN350-ARIN
             
             OrgAbuseHandle: KLEIN350-ARIN
             OrgAbuseName:   Klein, Jacob 
             OrgAbusePhone:  +1-810-691-3573 
             OrgAbuseEmail:  postmaster@cranbrook.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KLEIN350-ARIN
             
             OrgNOCHandle: KLEIN350-ARIN
             OrgNOCName:   Klein, Jacob 
             OrgNOCPhone:  +1-810-691-3573 
             OrgNOCEmail:  postmaster@cranbrook.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/KLEIN350-ARIN
             
             OrgTechHandle: KLEIN350-ARIN
             OrgTechName:   Klein, Jacob 
             OrgTechPhone:  +1-810-691-3573 
             OrgTechEmail:  postmaster@cranbrook.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/KLEIN350-ARIN
             
             OrgDNSHandle: KLEIN350-ARIN
             OrgDNSName:   Klein, Jacob 
             OrgDNSPhone:  +1-810-691-3573 
             OrgDNSEmail:  postmaster@cranbrook.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/KLEIN350-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.
             #