Report for 62671

Name

UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastructure, 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.

62671 UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastructure, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS14041         AS-FRGP - University Corporation for Atmospheric Research, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
31107 AS62671        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastructure, 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       %
17592 AS62671       UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastru      3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  204.228.68.0/22      4777 2497 11164 14041 62671   
  204.228.68.0/24      4777 2497 11164 14041 62671 - Withdrawn - matching aggregate 204.228.68.0/22 4777 2497 11164 14041 62671
  204.228.69.0/24      4777 2497 11164 14041 62671 - Withdrawn - matching aggregate 204.228.68.0/22 4777 2497 11164 14041 62671

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

AS62671   2 More Specifics   3 Total Advertisements   UNIVERSITY-OF-COLORADO-SYSTEM - ECS-Infrastructure, US
    204.228.68.0/24               204.228.68.0/22
    204.228.69.0/24               204.228.68.0/22

Whois Entry

whois: 402332

IANA has recorded AS62671 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS62671\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:       62671
             ASName:         UNIVERSITY-OF-COLORADO-SYSTEM
             ASHandle:       AS62671
             RegDate:        2013-08-01
             Updated:        2018-10-03
             Ref:            https://rdap.arin.net/registry/autnum/62671
             
             
             OrgName:        ECS-Infrastructure
             OrgId:          UCUIS
             Address:        1800 Grant St.
             City:           Denver
             StateProv:      CO
             PostalCode:     80203
             Country:        US
             RegDate:        2018-08-09
             Updated:        2018-08-09
             Ref:            https://rdap.arin.net/registry/entity/UCUIS
             
             
             OrgNOCHandle: ECSIN-ARIN
             OrgNOCName:   ECS-Infra 
             OrgNOCPhone:  +1-720-443-3327 
             OrgNOCEmail:  ecs-infrastructure@cu.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ECSIN-ARIN
             
             OrgAbuseHandle: ECSIN-ARIN
             OrgAbuseName:   ECS-Infra 
             OrgAbusePhone:  +1-720-443-3327 
             OrgAbuseEmail:  ecs-infrastructure@cu.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ECSIN-ARIN
             
             OrgTechHandle: ECSIN-ARIN
             OrgTechName:   ECS-Infra 
             OrgTechPhone:  +1-720-443-3327 
             OrgTechEmail:  ecs-infrastructure@cu.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ECSIN-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.
             #