Report for 22217

Name

CALVIN-UNIVERSITY - Calvin College, 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.

22217 CALVIN-UNIVERSITY - Calvin College, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS237           MERIT-AS-14 - Merit Network Inc., US
    AS26554         US-SIGNAL - US Signal Company, L.L.C., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3393  AS22217        ORIGIN  Originate:      66048 /15.99  Transit:          0 /0.00  CALVIN-UNIVERSITY - Calvin College, 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       %
35842 AS22217       CALVIN-UNIVERSITY - Calvin College, US             3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  153.106.0.0/16       4608 6939 26554 22217   
  153.106.254.0/24     4777 2516 3257 26554 22217   
  153.106.255.0/24     4777 2516 1299 237 22217   

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

AS22217   2 More Specifics   3 Total Advertisements   CALVIN-UNIVERSITY - Calvin College, US
    153.106.254.0/24              153.106.0.0/16
    153.106.255.0/24              153.106.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS22217 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22217\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:       22217
             ASName:         CALVIN-UNIVERSITY
             ASHandle:       AS22217
             RegDate:        2017-07-25
             Updated:        2019-08-27
             Ref:            https://rdap.arin.net/registry/autnum/22217
             
             
             OrgName:        Calvin College
             OrgId:          CCS-731
             Address:        3201 Burton Street S.E.
             City:           Grand Rapids
             StateProv:      MI
             PostalCode:     49546-4388
             Country:        US
             RegDate:        2014-04-28
             Updated:        2024-05-31
             Ref:            https://rdap.arin.net/registry/entity/CCS-731
             
             
             OrgTechHandle: BENDE104-ARIN
             OrgTechName:   Bender, Nathaniel 
             OrgTechPhone:  +1-586-419-2567 
             OrgTechEmail:  nb52@calvin.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/BENDE104-ARIN
             
             OrgTechHandle: WALTE453-ARIN
             OrgTechName:   Walters, Ethan 
             OrgTechPhone:  +1-616-526-6356 
             OrgTechEmail:  emw45@calvin.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/WALTE453-ARIN
             
             OrgAbuseHandle: CNA44-ARIN
             OrgAbuseName:   Calvin Network Abuse
             OrgAbusePhone:  +1-616-526-6144 
             OrgAbuseEmail:  abuse@calvin.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CNA44-ARIN
             
             OrgTechHandle: JG1540-ARIN
             OrgTechName:   Greenfield, Jeff 
             OrgTechPhone:  +1-616-526-6171 
             OrgTechEmail:  jgreen@calvin.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/JG1540-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.
             #