Report for 4884

Name

TCHD - Tarrant County Hospital District, 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.

4884 TCHD - Tarrant County Hospital District, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14807 AS4884         ORIGIN  Originate:       5120 /19.68  Transit:          0 /0.00  TCHD - Tarrant County Hospital District, 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       %
 8211 AS4884        TCHD - Tarrant County Hospital District, US       11      6      1      6      5  45.45%


  Prefix               AS Path                              Aggregation Suggestion
  198.179.234.0/24     4777 2497 7018 4884 4884   
  206.201.80.0/21      4777 2497 7018 4884 4884   
  206.201.88.0/23      4777 2497 3356 4884 4884 4884   
  206.201.88.0/24      4777 2497 3356 4884 4884 4884 - Withdrawn - matching aggregate 206.201.88.0/23 4777 2497 3356 4884 4884 4884
  206.201.89.0/24      4777 2497 3356 4884 4884 4884 - Withdrawn - matching aggregate 206.201.88.0/23 4777 2497 3356 4884 4884 4884
  206.201.90.0/23      4777 2497 7018 4884 4884 + Announce - aggregate of 206.201.90.0/24 (4777 2497 7018 4884 4884) and 206.201.91.0/24 (4777 2497 7018 4884 4884)
  206.201.90.0/24      4777 2497 7018 4884 4884 - Withdrawn - aggregated with 206.201.91.0/24 (4777 2497 7018 4884 4884)
  206.201.91.0/24      4777 2497 7018 4884 4884 - Withdrawn - aggregated with 206.201.90.0/24 (4777 2497 7018 4884 4884)
  206.201.92.0/23      4777 2497 7018 4884 4884   
  206.201.92.0/24      4777 2497 7018 4884 4884 - Withdrawn - matching aggregate 206.201.92.0/23 4777 2497 7018 4884 4884
  206.201.93.0/24      4777 2497 7018 4884 4884 - Withdrawn - matching aggregate 206.201.92.0/23 4777 2497 7018 4884 4884
  206.201.94.0/24      4777 2497 7018 4884 4884   

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

AS4884   10 More Specifics   11 Total Advertisements   TCHD - Tarrant County Hospital District, US
    206.201.80.0/21               206.201.80.0/20
    206.201.88.0/23               206.201.80.0/20
    206.201.88.0/24               206.201.80.0/20
    206.201.89.0/24               206.201.80.0/20
    206.201.90.0/24               206.201.80.0/20
    206.201.91.0/24               206.201.80.0/20
    206.201.92.0/23               206.201.80.0/20
    206.201.92.0/24               206.201.80.0/20
    206.201.93.0/24               206.201.80.0/20
    206.201.94.0/24               206.201.80.0/20

Whois Entry

whois: 402332

IANA has recorded AS4884 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4884\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:       4884
             ASName:         TCHD
             ASHandle:       AS4884
             RegDate:        2009-09-23
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/4884
             
             
             OrgName:        Tarrant County Hospital District
             OrgId:          TCHD
             Address:        1500 South Main St
             City:           Fort Worth
             StateProv:      TX
             PostalCode:     76104
             Country:        US
             RegDate:        1993-11-18
             Updated:        2024-10-01
             Ref:            https://rdap.arin.net/registry/entity/TCHD
             
             
             OrgAbuseHandle: ABUSE2322-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-817-702-6900 
             OrgAbuseEmail:  abuse@jpshealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2322-ARIN
             
             OrgTechHandle: TECHN841-ARIN
             OrgTechName:   Technical Manager
             OrgTechPhone:  +1-817-702-6795 
             OrgTechEmail:  ITDataNetworkTeam@jpshealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN841-ARIN
             
             OrgNOCHandle: NOC11047-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-817-702-6222 
             OrgNOCEmail:  ITDataNetworkTeam@jpshealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC11047-ARIN
             
             OrgDNSHandle: TECHN841-ARIN
             OrgDNSName:   Technical Manager
             OrgDNSPhone:  +1-817-702-6795 
             OrgDNSEmail:  ITDataNetworkTeam@jpshealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/TECHN841-ARIN
             
             OrgRoutingHandle: TECHN841-ARIN
             OrgRoutingName:   Technical Manager
             OrgRoutingPhone:  +1-817-702-6795 
             OrgRoutingEmail:  ITDataNetworkTeam@jpshealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/TECHN841-ARIN
             
             RNOCHandle: NOC11047-ARIN
             RNOCName:   Network Operations Center
             RNOCPhone:  +1-817-702-6222 
             RNOCEmail:  ITDataNetworkTeam@jpshealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/NOC11047-ARIN
             
             RAbuseHandle: ABUSE2322-ARIN
             RAbuseName:   Abuse
             RAbusePhone:  +1-817-702-6900 
             RAbuseEmail:  abuse@jpshealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2322-ARIN
             
             RTechHandle: TECHN841-ARIN
             RTechName:   Technical Manager
             RTechPhone:  +1-817-702-6795 
             RTechEmail:  ITDataNetworkTeam@jpshealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/TECHN841-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.
             #