Report for 26661

Name

JCPS-ASN - Jeffco Public Schools, 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.

26661 JCPS-ASN - Jeffco Public Schools, 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
17021 AS26661        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  JCPS-ASN - Jeffco Public Schools, 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       %
21987 AS26661       JCPS-ASN - Jeffco Public Schools, US               3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  199.96.184.0/21      4777 2497 11164 14041 26661   
  199.96.184.0/22      4608 7575 11537 14041 26661   
  199.96.188.0/22      4777 2497 11164 14041 26661 - Withdrawn - matching aggregate 199.96.184.0/21 4777 2497 11164 14041 26661

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

AS26661   2 More Specifics   3 Total Advertisements   JCPS-ASN - Jeffco Public Schools, US
    199.96.184.0/22               199.96.184.0/21
    199.96.188.0/22               199.96.184.0/21

Whois Entry

whois: 402332

IANA has recorded AS26661 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26661\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:       26661
             ASName:         JCPS-ASN
             ASHandle:       AS26661
             RegDate:        2011-02-14
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/26661
             
             
             OrgName:        Jeffco Public Schools
             OrgId:          JCPS-1
             Address:        1829 Denver West Drive
             Address:        Building 27
             City:           Golden
             StateProv:      CO
             PostalCode:     80401
             Country:        US
             RegDate:        1998-11-20
             Updated:        2011-02-10
             Ref:            https://rdap.arin.net/registry/entity/JCPS-1
             
             
             OrgTechHandle: JCPST-ARIN
             OrgTechName:   JCPS Tech
             OrgTechPhone:  +1-303-982-6500 
             OrgTechEmail:  tech@jeffco.k12.co.us
             OrgTechRef:    https://rdap.arin.net/registry/entity/JCPST-ARIN
             
             OrgAbuseHandle: JCPSA1-ARIN
             OrgAbuseName:   JCPS Abuse
             OrgAbusePhone:  +1-303-982-6500 
             OrgAbuseEmail:  abuse@jeffco.k12.co.us
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JCPSA1-ARIN
             
             RTechHandle: JCPST-ARIN
             RTechName:   JCPS Tech
             RTechPhone:  +1-303-982-6500 
             RTechEmail:  tech@jeffco.k12.co.us
             RTechRef:    https://rdap.arin.net/registry/entity/JCPST-ARIN
             
             RAbuseHandle: JCPST-ARIN
             RAbuseName:   JCPS Tech
             RAbusePhone:  +1-303-982-6500 
             RAbuseEmail:  tech@jeffco.k12.co.us
             RAbuseRef:    https://rdap.arin.net/registry/entity/JCPST-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.
             #