Report for 23538

Name

JOHNSON-COUNTY-ASN - Johnson County Iowa, 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.

23538 JOHNSON-COUNTY-ASN, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS393238        IMONC, US
    AS5056          AUREON-5056, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
60145 AS23538        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  JOHNSON-COUNTY-ASN, 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       %
36817 AS23538       JOHNSON-COUNTY-ASN, US                             1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.234.91.0/24      6939 393238 23538      

Whois Entry

whois: 402551

IANA has recorded AS23538 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23538\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:       23538
             ASName:         JOHNSON-COUNTY-ASN
             ASHandle:       AS23538
             RegDate:        2017-11-10
             Updated:        2017-11-10
             Ref:            https://rdap.arin.net/registry/autnum/23538
             
             
             OrgName:        Johnson County Iowa
             OrgId:          JCI
             Address:        913 S. Dubuque Street
             City:           Iowa City
             StateProv:      IA
             PostalCode:     52240
             Country:        US
             RegDate:        1992-10-13
             Updated:        2021-08-17
             Ref:            https://rdap.arin.net/registry/entity/JCI
             
             
             OrgAbuseHandle: INFOR54-ARIN
             OrgAbuseName:   Information Services
             OrgAbusePhone:  +1-319-356-6080 
             OrgAbuseEmail:  bhorning@johnsoncountyiowa.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOR54-ARIN
             
             OrgNOCHandle: INFOR54-ARIN
             OrgNOCName:   Information Services
             OrgNOCPhone:  +1-319-356-6080 
             OrgNOCEmail:  bhorning@johnsoncountyiowa.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/INFOR54-ARIN
             
             OrgTechHandle: MELIC4-ARIN
             OrgTechName:   Melick, Clint 
             OrgTechPhone:  +1-319-356-6080 
             OrgTechEmail:  cmelick@johnsoncountyiowa.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/MELIC4-ARIN
             
             OrgAbuseHandle: MELIC4-ARIN
             OrgAbuseName:   Melick, Clint 
             OrgAbusePhone:  +1-319-356-6080 
             OrgAbuseEmail:  cmelick@johnsoncountyiowa.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MELIC4-ARIN
             
             OrgNOCHandle: MELIC4-ARIN
             OrgNOCName:   Melick, Clint 
             OrgNOCPhone:  +1-319-356-6080 
             OrgNOCEmail:  cmelick@johnsoncountyiowa.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MELIC4-ARIN
             
             OrgTechHandle: INFOR54-ARIN
             OrgTechName:   Information Services
             OrgTechPhone:  +1-319-356-6080 
             OrgTechEmail:  bhorning@johnsoncountyiowa.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/INFOR54-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.
             #