Report for 20138

Name

CTHS-ASN-20138 - Carson Tahoe Health System, 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.

20138 CTHS-ASN-20138 - Carson Tahoe Health System, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59650 AS20138        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CTHS-ASN-20138 - Carson Tahoe Health System, 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       %
35127 AS20138       CTHS-ASN-20138 - Carson Tahoe Health System,       1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.139.152.0/24      4777 2497 7018 20138   

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

AS20138   1 More Specifics   1 Total Advertisements   CTHS-ASN-20138 - Carson Tahoe Health System, US
    12.139.152.0/24               12.0.0.0/8

Whois Entry

whois: 402591

IANA has recorded AS20138 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20138\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:       20138
             ASName:         CTHS-ASN-20138
             ASHandle:       AS20138
             RegDate:        2020-09-16
             Updated:        2020-09-16
             Ref:            https://rdap.arin.net/registry/autnum/20138
             
             
             OrgName:        Carson Tahoe Health System
             OrgId:          CTHS
             Address:        1600 Medical Pkwy
             City:           Carson City
             StateProv:      NV
             PostalCode:     89703
             Country:        US
             RegDate:        2020-07-20
             Updated:        2020-07-20
             Ref:            https://rdap.arin.net/registry/entity/CTHS
             
             
             OrgTechHandle: ISC19-ARIN
             OrgTechName:   ITS Support Center
             OrgTechPhone:  +1-775-445-8929 
             OrgTechEmail:  ITSSupportCenter@ctrh.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/ISC19-ARIN
             
             OrgNOCHandle: ISC19-ARIN
             OrgNOCName:   ITS Support Center
             OrgNOCPhone:  +1-775-445-8929 
             OrgNOCEmail:  ITSSupportCenter@ctrh.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ISC19-ARIN
             
             OrgAbuseHandle: ISC19-ARIN
             OrgAbuseName:   ITS Support Center
             OrgAbusePhone:  +1-775-445-8929 
             OrgAbuseEmail:  ITSSupportCenter@ctrh.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISC19-ARIN
             
             OrgDNSHandle: ISC19-ARIN
             OrgDNSName:   ITS Support Center
             OrgDNSPhone:  +1-775-445-8929 
             OrgDNSEmail:  ITSSupportCenter@ctrh.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ISC19-ARIN
             
             OrgRoutingHandle: ISC19-ARIN
             OrgRoutingName:   ITS Support Center
             OrgRoutingPhone:  +1-775-445-8929 
             OrgRoutingEmail:  ITSSupportCenter@ctrh.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ISC19-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.
             #