Report for 18693

Name

UCH-CENTRAL - University of Colorado Hospital, 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.

18693 UCH-CENTRAL - University of Colorado Hospital, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS209           CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US
    AS7459          GRANDECOM-AS1 - Grande Communications Networks, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32704 AS18693        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  UCH-CENTRAL - University of Colorado Hospital, 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       %
35261 AS18693       UCH-CENTRAL - University of Colorado Hospital      4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  24.155.10.0/24       4777 2516 3257 7459 18693   
  168.200.2.0/23       4777 2497 3356 209 18693   
  168.200.5.0/24       4777 2497 3356 18693 18693   
  168.200.6.0/24       4777 2497 3356 18693 18693   

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

AS18693   4 More Specifics   4 Total Advertisements   UCH-CENTRAL - University of Colorado Hospital, US
    24.155.10.0/24                24.155.0.0/16
    168.200.2.0/23                168.200.0.0/16
    168.200.5.0/24                168.200.0.0/16
    168.200.6.0/24                168.200.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS18693 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18693\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:       18693
             ASName:         UCH-CENTRAL
             ASHandle:       AS18693
             RegDate:        2013-06-04
             Updated:        2013-06-04
             Ref:            https://rdap.arin.net/registry/autnum/18693
             
             
             OrgName:        University of Colorado Hospital
             OrgId:          UCHA
             Address:        13001 East 17th Place
             Address:        UH Fitzsimons bldg 500 5th floor east
             Address:        Information Services
             City:           Aurora
             StateProv:      CO
             PostalCode:     80045-0505
             Country:        US
             RegDate:        1993-09-09
             Updated:        2023-05-01
             Ref:            https://rdap.arin.net/registry/entity/UCHA
             
             
             OrgNOCHandle: DIT2-ARIN
             OrgNOCName:   Director - Information Technology
             OrgNOCPhone:  +1-719-365-6643 
             OrgNOCEmail:  Scot.MacCabe@uchealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DIT2-ARIN
             
             OrgTechHandle: DIT2-ARIN
             OrgTechName:   Director - Information Technology
             OrgTechPhone:  +1-719-365-6643 
             OrgTechEmail:  Scot.MacCabe@uchealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/DIT2-ARIN
             
             OrgTechHandle: SJB6-ARIN
             OrgTechName:   Bryant, Sandra Jean
             OrgTechPhone:  +1-303-752-6282 
             OrgTechEmail:  sandra.bryant@uchealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/SJB6-ARIN
             
             OrgTechHandle: THEIS56-ARIN
             OrgTechName:   Theis, Jason 
             OrgTechPhone:  +1-970-495-7872 
             OrgTechEmail:  Jason.theis@uchealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/THEIS56-ARIN
             
             OrgAbuseHandle: DIT2-ARIN
             OrgAbuseName:   Director - Information Technology
             OrgAbusePhone:  +1-719-365-6643 
             OrgAbuseEmail:  Scot.MacCabe@uchealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DIT2-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.
             #