Report for 19878

Name

MEDIMPACT - MedImpact Healthcare Systems, Inc., 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.

19878 MEDIMPACT, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS22773         ASN-CXA-ALL-CCI-22773-RDC, US
    AS6461          ZAYO-6461, US
    AS22489         DATABANK-CASTLEACCESS, US
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22382 AS19878        ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  MEDIMPACT, 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       %
 8635 AS19878       MEDIMPACT, US                                      8      8      3      3      5  62.50%


  Prefix               AS Path                              Aggregation Suggestion
  198.54.236.0/22      6939 3356 19878      + Announce - aggregate of 198.54.236.0/23 (6939 3356 19878) and 198.54.238.0/23 (6939 3356 19878)
  198.54.236.0/23      6939 3356 19878      - Withdrawn - aggregated with 198.54.238.0/23 (6939 3356 19878)
  198.54.238.0/24      6939 3356 19878      - Withdrawn - aggregated with 198.54.239.0/24 (6939 3356 19878)
  198.54.239.0/24      6939 3356 19878      - Withdrawn - aggregated with 198.54.238.0/24 (6939 3356 19878)
  208.91.224.0/23      57866 3356 19878     + Announce - aggregate of 208.91.224.0/24 (57866 3356 19878) and 208.91.225.0/24 (57866 3356 19878)
  208.91.224.0/24      57866 3356 19878     - Withdrawn - aggregated with 208.91.225.0/24 (57866 3356 19878)
  208.91.225.0/24      57866 3356 19878     - Withdrawn - aggregated with 208.91.224.0/24 (57866 3356 19878)
  208.91.228.0/22      57866 3356 19878     + Announce - aggregate of 208.91.228.0/23 (57866 3356 19878) and 208.91.230.0/23 (57866 3356 19878)
  208.91.228.0/24      57866 3356 19878     - Withdrawn - aggregated with 208.91.229.0/24 (57866 3356 19878)
  208.91.229.0/24      57866 3356 19878     - Withdrawn - aggregated with 208.91.228.0/24 (57866 3356 19878)
  208.91.230.0/23      57866 3356 19878     - Withdrawn - aggregated with 208.91.228.0/23 (57866 3356 19878)

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

AS19878   6 More Specifics   6 Total Advertisements   MEDIMPACT, US
    198.54.236.0/23               198.54.236.0/22
    198.54.239.0/24               198.54.236.0/22
    208.91.224.0/24               208.91.224.0/21
    208.91.228.0/24               208.91.224.0/21
    208.91.229.0/24               208.91.224.0/21
    208.91.230.0/23               208.91.224.0/21
    198.54.238.0/24               198.54.236.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 198.54.238.0/24             Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS19878 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19878\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:       19878
             ASName:         MEDIMPACT
             ASHandle:       AS19878
             RegDate:        2001-02-26
             Updated:        2025-09-02
             Comment:        INS6-ARIN
             Ref:            https://rdap.arin.net/registry/autnum/19878
             
             
             OrgName:        MedImpact Healthcare Systems, Inc.
             OrgId:          MEDIMP
             Address:        10181 Scripps Gateway Court
             City:           San Diego
             StateProv:      CA
             PostalCode:     92131
             Country:        US
             RegDate:        1994-04-11
             Updated:        2025-09-16
             Ref:            https://rdap.arin.net/registry/entity/MEDIMP
             
             
             OrgAbuseHandle: INS6-ARIN
             OrgAbuseName:   IT Networks Systems
             OrgAbusePhone:  +1-858-790-6176 
             OrgAbuseEmail:  netsol@medimpact.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INS6-ARIN
             
             OrgTechHandle: INE33-ARIN
             OrgTechName:   IT Network Engineering
             OrgTechPhone:  +1-858-790-6176 
             OrgTechEmail:  itnetworkengineering@medimpact.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/INE33-ARIN
             
             OrgNOCHandle: INS6-ARIN
             OrgNOCName:   IT Networks Systems
             OrgNOCPhone:  +1-858-790-6176 
             OrgNOCEmail:  netsol@medimpact.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/INS6-ARIN
             
             OrgTechHandle: INS6-ARIN
             OrgTechName:   IT Networks Systems
             OrgTechPhone:  +1-858-790-6176 
             OrgTechEmail:  netsol@medimpact.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/INS6-ARIN
             
             RAbuseHandle: INS6-ARIN
             RAbuseName:   IT Networks Systems
             RAbusePhone:  +1-858-790-6176 
             RAbuseEmail:  netsol@medimpact.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/INS6-ARIN
             
             RNOCHandle: INS6-ARIN
             RNOCName:   IT Networks Systems
             RNOCPhone:  +1-858-790-6176 
             RNOCEmail:  netsol@medimpact.com
             RNOCRef:    https://rdap.arin.net/registry/entity/INS6-ARIN
             
             RTechHandle: INS6-ARIN
             RTechName:   IT Networks Systems
             RTechPhone:  +1-858-790-6176 
             RTechEmail:  netsol@medimpact.com
             RTechRef:    https://rdap.arin.net/registry/entity/INS6-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.
             #