Report for 12145

Name

COLORADOSTATEUNIV - Colorado State 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 AS4637) 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.

12145 COLORADOSTATEUNIV - Colorado State University

  Adjacency:     3  Upstream:     1  Downstream:     2
  Upstream Adjacent AS list
    AS14041   AS14041 - University Corporation for Atmospheric Research
  Downstream Adjacent AS list
    AS15295   UNC-1388600-ASN - University of Northern Colorado
    AS31991   PRPA - Platte River Power Authority

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
914   AS12145  ORG+TRN Originate:     197632 /14.41  Transit:      16640 /17.98 COLORADOSTATEUNIV - Colorado State University

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       %
 3716 AS12145 COLORADOSTATEUNIV - Colorado State Unive      7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  129.19.0.0/16        4637 3356 14041 {12145,16519,31991}   
  129.82.0.0/16        4637 11164 14041 12145   
  164.104.0.0/16       4637 11164 14041 12145   
  198.59.46.0/23       4637 11164 14041 12145 + Announce - aggregate of 198.59.46.0/24 (4637 11164 14041 12145) and 198.59.47.0/24 (4637 11164 14041 12145)
  198.59.46.0/24       4637 11164 14041 12145 - Withdrawn - aggregated with 198.59.47.0/24 (4637 11164 14041 12145)
  198.59.47.0/24       4637 11164 14041 12145 - Withdrawn - aggregated with 198.59.46.0/24 (4637 11164 14041 12145)
  198.59.48.0/23       4637 11164 14041 12145 + Announce - aggregate of 198.59.48.0/24 (4637 11164 14041 12145) and 198.59.49.0/24 (4637 11164 14041 12145)
  198.59.48.0/24       4637 11164 14041 12145 - Withdrawn - aggregated with 198.59.49.0/24 (4637 11164 14041 12145)
  198.59.49.0/24       4637 11164 14041 12145 - Withdrawn - aggregated with 198.59.48.0/24 (4637 11164 14041 12145)

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

AS12145   6 More Specifics   8 Total Advertisements   COLORADOSTATEUNIV - Colorado State University
    129.19.0.0/18                 129.19.0.0/16
    129.19.0.0/19                 129.19.0.0/16
    198.59.46.0/24                198.59.0.0/15
    198.59.47.0/24                198.59.0.0/15
    198.59.48.0/24                198.59.0.0/15
    198.59.49.0/24                198.59.0.0/15

Whois Entry

whois: 402603

IANA has recorded AS12145 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12145\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:       12145
             ASName:         COLORADOSTATEUNIV
             ASHandle:       AS12145
             RegDate:        1999-04-06
             Updated:        2022-07-14
             Ref:            https://rdap.arin.net/registry/autnum/12145
             
             
             OrgName:        Colorado State University
             OrgId:          CSU-2
             Address:        Academic Computing and Networking Services
             Address:        Colorado State University
             Address:        1018 Campus Delivery
             City:           Fort Collins
             StateProv:      CO
             PostalCode:     80523
             Country:        US
             RegDate:        
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/CSU-2
             
             
             OrgTechHandle: DNSAD191-ARIN
             OrgTechName:   DNS Administrator
             OrgTechPhone:  +1-970-491-1958 
             OrgTechEmail:  dns.admin@colostate.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD191-ARIN
             
             OrgAbuseHandle: DNSAD191-ARIN
             OrgAbuseName:   DNS Administrator
             OrgAbusePhone:  +1-970-491-1958 
             OrgAbuseEmail:  dns.admin@colostate.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD191-ARIN
             
             RTechHandle: ASMUS11-ARIN
             RTechName:   Asmus, Angie 
             RTechPhone:  +1-970-491-7582 
             RTechEmail:  angie.asmus@colostate.edu
             RTechRef:    https://rdap.arin.net/registry/entity/ASMUS11-ARIN
             
             RTechHandle: MPW-ARIN
             RTechName:   Willard, Michael Patrick
             RTechPhone:  +1-970-491-4651 
             RTechEmail:  mike.willard@colostate.edu
             RTechRef:    https://rdap.arin.net/registry/entity/MPW-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.
             #