Report for 19321

Name

UMC-HEALTH-SYSTEM - University Medical Center, 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 AS6447) 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.

19321 UMC-HEALTH-SYSTEM, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS22645         LEARN-COMMODITY, US
    AS15164         UPNLLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
35475 AS19321        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  UMC-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       %
21416 AS19321       UMC-HEALTH-SYSTEM, US                              2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.21.252.0/22      6939 15164 19321 19321 + Announce - aggregate of 199.21.252.0/23 (6939 15164 19321 19321) and 199.21.254.0/23 (6939 15164 19321 19321)
  199.21.252.0/23      6939 15164 19321 19321 - Withdrawn - aggregated with 199.21.254.0/23 (6939 15164 19321 19321)
  199.21.254.0/23      6939 15164 19321 19321 - Withdrawn - aggregated with 199.21.252.0/23 (6939 15164 19321 19321)

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

AS19321   2 More Specifics   2 Total Advertisements   UMC-HEALTH-SYSTEM, US
    199.21.252.0/23               199.21.252.0/22
    199.21.254.0/23               199.21.252.0/22

Whois Entry

whois: 402551

IANA has recorded AS19321 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19321\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:       19321
             ASName:         UMC-HEALTH-SYSTEM
             ASHandle:       AS19321
             RegDate:        2010-07-30
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/19321
             
             
             OrgName:        University Medical Center
             OrgId:          LCHD
             Address:        602 Indiana Avenue
             City:           Lubbock
             StateProv:      TX
             PostalCode:     79415
             Country:        US
             RegDate:        2010-05-14
             Updated:        2021-07-26
             Ref:            https://rdap.arin.net/registry/entity/LCHD
             
             
             OrgDNSHandle: NETWO9503-ARIN
             OrgDNSName:   NetworkTeam
             OrgDNSPhone:  +1-806-775-9109 
             OrgDNSEmail:  itinfrastructurenetwork@umchealthsystem.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN
             
             OrgTechHandle: ADMIN7527-ARIN
             OrgTechName:   Admin
             OrgTechPhone:  +1-806-775-9538 
             OrgTechEmail:  christopher.hyatt@umchealthsystem.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN7527-ARIN
             
             OrgAbuseHandle: NETWO9503-ARIN
             OrgAbuseName:   NetworkTeam
             OrgAbusePhone:  +1-806-775-9109 
             OrgAbuseEmail:  itinfrastructurenetwork@umchealthsystem.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN
             
             OrgTechHandle: NETWO9503-ARIN
             OrgTechName:   NetworkTeam
             OrgTechPhone:  +1-806-775-9109 
             OrgTechEmail:  itinfrastructurenetwork@umchealthsystem.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN
             
             OrgRoutingHandle: NETWO9503-ARIN
             OrgRoutingName:   NetworkTeam
             OrgRoutingPhone:  +1-806-775-9109 
             OrgRoutingEmail:  itinfrastructurenetwork@umchealthsystem.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN
             
             OrgNOCHandle: NETWO9503-ARIN
             OrgNOCName:   NetworkTeam
             OrgNOCPhone:  +1-806-775-9109 
             OrgNOCEmail:  itinfrastructurenetwork@umchealthsystem.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN
             
             RNOCHandle: CASTL-ARIN
             RNOCName:   Castle, Matt 
             RNOCPhone:  +1-806-775-9109 
             RNOCEmail:  mcastle@teamumc.com
             RNOCRef:    https://rdap.arin.net/registry/entity/CASTL-ARIN
             
             RTechHandle: CASTL-ARIN
             RTechName:   Castle, Matt 
             RTechPhone:  +1-806-775-9109 
             RTechEmail:  mcastle@teamumc.com
             RTechRef:    https://rdap.arin.net/registry/entity/CASTL-ARIN
             
             RAbuseHandle: CASTL-ARIN
             RAbuseName:   Castle, Matt 
             RAbusePhone:  +1-806-775-9109 
             RAbuseEmail:  mcastle@teamumc.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/CASTL-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.
             #