Report for 53260

Name

CLARKU - Clark University, 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.

53260 CLARKU - Clark University, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS20115         CHARTER-20115 - Charter Communications LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4406  AS53260        ORIGIN  Originate:      49152 /16.42  Transit:          0 /0.00  CLARKU - Clark University, 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       %
13284 AS53260       CLARKU - Clark University, US                      9      6      3      6      3  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  140.232.0.0/19       4777 2516 1299 46887 53260   
  140.232.0.0/19       4777 2516 20115 53260 + Announce - aggregate of 140.232.0.0/20 (4777 2516 20115 53260) and 140.232.16.0/20 (4777 2516 20115 53260)
  140.232.0.0/20       4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.16.0/20 (4777 2516 20115 53260)
  140.232.16.0/20      4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.0.0/20 (4777 2516 20115 53260)
  140.232.192.0/19     4777 2516 1299 46887 53260   
  140.232.192.0/19     4777 2516 20115 53260 + Announce - aggregate of 140.232.192.0/20 (4777 2516 20115 53260) and 140.232.208.0/20 (4777 2516 20115 53260)
  140.232.192.0/20     4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.208.0/20 (4777 2516 20115 53260)
  140.232.208.0/20     4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.192.0/20 (4777 2516 20115 53260)
  140.232.224.0/19     4777 2516 1299 46887 53260   
  140.232.224.0/19     4777 2516 20115 53260 + Announce - aggregate of 140.232.224.0/20 (4777 2516 20115 53260) and 140.232.240.0/20 (4777 2516 20115 53260)
  140.232.224.0/20     4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.240.0/20 (4777 2516 20115 53260)
  140.232.240.0/20     4777 2516 20115 53260 - Withdrawn - aggregated with 140.232.224.0/20 (4777 2516 20115 53260)

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

AS53260   9 More Specifics   9 Total Advertisements   CLARKU - Clark University, US
    140.232.0.0/19                140.232.0.0/18
    140.232.0.0/20                140.232.0.0/18
    140.232.16.0/20               140.232.0.0/18
    140.232.192.0/19              140.232.192.0/18
    140.232.192.0/20              140.232.192.0/18
    140.232.208.0/20              140.232.192.0/18
    140.232.224.0/19              140.232.192.0/18
    140.232.224.0/20              140.232.192.0/18
    140.232.240.0/20              140.232.192.0/18

Whois Entry

whois: 402603

IANA has recorded AS53260 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53260\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:       53260
             ASName:         CLARKU
             ASHandle:       AS53260
             RegDate:        2009-07-15
             Updated:        2025-10-17
             Ref:            https://rdap.arin.net/registry/autnum/53260
             
             
             OrgName:        Clark University
             OrgId:          CLARKU
             Address:        950 Main Street
             City:           Worcester
             StateProv:      MA
             PostalCode:     01610-1477
             Country:        US
             RegDate:        1990-05-21
             Updated:        2025-11-05
             Ref:            https://rdap.arin.net/registry/entity/CLARKU
             
             
             OrgDNSHandle: ABE45-ARIN
             OrgDNSName:   Bennett, Aaron 
             OrgDNSPhone:  +1-508-793-7315 
             OrgDNSEmail:  abennett@clarku.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ABE45-ARIN
             
             OrgAbuseHandle: ABUSE1389-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-508-793-7745 
             OrgAbuseEmail:  abuse@clarku.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1389-ARIN
             
             OrgNOCHandle: MNE114-ARIN
             OrgNOCName:   Manager of Network Engineering
             OrgNOCPhone:  +1-508-421-3877 
             OrgNOCEmail:  jvoelker@clarku.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MNE114-ARIN
             
             OrgTechHandle: MNE114-ARIN
             OrgTechName:   Manager of Network Engineering
             OrgTechPhone:  +1-508-421-3877 
             OrgTechEmail:  jvoelker@clarku.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/MNE114-ARIN
             
             RNOCHandle: MNE114-ARIN
             RNOCName:   Manager of Network Engineering
             RNOCPhone:  +1-508-421-3877 
             RNOCEmail:  jvoelker@clarku.edu
             RNOCRef:    https://rdap.arin.net/registry/entity/MNE114-ARIN
             
             RTechHandle: MNE114-ARIN
             RTechName:   Manager of Network Engineering
             RTechPhone:  +1-508-421-3877 
             RTechEmail:  jvoelker@clarku.edu
             RTechRef:    https://rdap.arin.net/registry/entity/MNE114-ARIN
             
             RAbuseHandle: ABUSE1389-ARIN
             RAbuseName:   Abuse
             RAbusePhone:  +1-508-793-7745 
             RAbuseEmail:  abuse@clarku.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1389-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.
             #