Report for 53577

Name

URSINUS - Ursinus 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.

53577 URSINUS - Ursinus College, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18717 AS53577        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  URSINUS - Ursinus 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       %
17090 AS53577       URSINUS - Ursinus College, US                     10      4      2      8      2  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.98.223.0/24       4777 2497 174 53577    
  192.204.106.0/23     4777 2497 174 53577  + Announce - aggregate of 192.204.106.0/24 (4777 2497 174 53577) and 192.204.107.0/24 (4777 2497 174 53577)
  192.204.106.0/24     4777 2497 174 53577  - Withdrawn - aggregated with 192.204.107.0/24 (4777 2497 174 53577)
  192.204.107.0/24     4777 2497 174 53577  - Withdrawn - aggregated with 192.204.106.0/24 (4777 2497 174 53577)
  192.204.144.0/23     4777 2497 174 53577  + Announce - aggregate of 192.204.144.0/24 (4777 2497 174 53577) and 192.204.145.0/24 (4777 2497 174 53577)
  192.204.144.0/24     4777 2497 174 53577  - Withdrawn - aggregated with 192.204.145.0/24 (4777 2497 174 53577)
  192.204.145.0/24     4777 2497 174 53577  - Withdrawn - aggregated with 192.204.144.0/24 (4777 2497 174 53577)
  192.204.146.0/24     4777 2497 174 53577    
  192.204.148.0/24     4777 2497 174 53577    
  198.17.40.0/24       4777 2497 174 53577    
  198.138.40.0/23      4777 2497 174 53577    
  198.138.132.0/22     4777 2497 174 53577    

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

AS53577   9 More Specifics   10 Total Advertisements   URSINUS - Ursinus College, US
    38.98.223.0/24                38.0.0.0/8
    192.204.106.0/24              192.204.0.0/16
    192.204.107.0/24              192.204.0.0/16
    192.204.144.0/24              192.204.0.0/16
    192.204.145.0/24              192.204.0.0/16
    192.204.146.0/24              192.204.0.0/16
    192.204.148.0/24              192.204.0.0/16
    198.138.40.0/23               198.138.0.0/15
    198.138.132.0/22              198.138.0.0/15

Whois Entry

whois: 402609

IANA has recorded AS53577 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53577\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:       53577
             ASName:         URSINUS
             ASHandle:       AS53577
             RegDate:        2010-06-21
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/53577
             
             
             OrgName:        Ursinus College
             OrgId:          URSINU
             Address:        Ursinus College
             Address:        Information Technology
             Address:        601e Main Street
             City:           Collegeville
             StateProv:      PA
             PostalCode:     19426
             Country:        US
             RegDate:        1992-12-09
             Updated:        2020-03-05
             Ref:            https://rdap.arin.net/registry/entity/URSINU
             
             
             OrgAbuseHandle: STANZ5-ARIN
             OrgAbuseName:   Stanziano, Sarah 
             OrgAbusePhone:  +1-610-409-3654 
             OrgAbuseEmail:  SStanziano@ursinus.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/STANZ5-ARIN
             
             OrgTechHandle: STANZ5-ARIN
             OrgTechName:   Stanziano, Sarah 
             OrgTechPhone:  +1-610-409-3654 
             OrgTechEmail:  SStanziano@ursinus.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/STANZ5-ARIN
             
             OrgTechHandle: JGS4-ARIN
             OrgTechName:   Shuttlesworth, James G.
             OrgTechPhone:  +1-610-409-3789 
             OrgTechEmail:  jshuttlesworth@ursinus.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/JGS4-ARIN
             
             OrgAbuseHandle: JGS4-ARIN
             OrgAbuseName:   Shuttlesworth, James G.
             OrgAbusePhone:  +1-610-409-3789 
             OrgAbuseEmail:  jshuttlesworth@ursinus.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JGS4-ARIN
             
             RTechHandle: JGS4-ARIN
             RTechName:   Shuttlesworth, James G.
             RTechPhone:  +1-610-409-3789 
             RTechEmail:  jshuttlesworth@ursinus.edu
             RTechRef:    https://rdap.arin.net/registry/entity/JGS4-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.
             #