Report for 31872

Name

VANTIVE-HEALTHCARE - Vantive Health, 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.

31872 VANTIVE-HEALTHCARE - Vantive Health, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS702           UUNET - Verizon Business, US
    AS701           UUNET - Verizon Business, US
    AS703           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14603 AS31872        ORIGIN  Originate:       5376 /19.61  Transit:          0 /0.00  VANTIVE-HEALTHCARE - Vantive Health, 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       %
 4584 AS31872       VANTIVE-HEALTHCARE - Vantive Health, US           21     16      5     10     11  52.38%


  Prefix               AS Path                              Aggregation Suggestion
  159.198.128.0/23     4777 2516 701 31872  + Announce - aggregate of 159.198.128.0/24 (4777 2516 701 31872) and 159.198.129.0/24 (4777 2516 701 31872)
  159.198.128.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.129.0/24 (4777 2516 701 31872)
  159.198.129.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.128.0/24 (4777 2516 701 31872)
  159.198.130.0/24     4777 2516 701 31872    
  159.198.132.0/22     4777 2516 701 31872  + Announce - aggregate of 159.198.132.0/23 (4777 2516 701 31872) and 159.198.134.0/23 (4777 2516 701 31872)
  159.198.132.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.133.0/24 (4777 2516 701 31872)
  159.198.133.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.132.0/24 (4777 2516 701 31872)
  159.198.134.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.135.0/24 (4777 2516 701 31872)
  159.198.135.0/24     4777 2516 701 31872  - Withdrawn - aggregated with 159.198.134.0/24 (4777 2516 701 31872)
  159.198.144.0/24     4608 1221 4637 702 31872   
  159.198.145.0/24     4777 2516 1299 702 31872   
  159.198.146.0/24     4777 2516 1299 702 31872   
  159.198.148.0/22     4608 1221 4637 702 31872 + Announce - aggregate of 159.198.148.0/23 (4608 1221 4637 702 31872) and 159.198.150.0/23 (4608 1221 4637 702 31872)
  159.198.148.0/24     4608 1221 4637 702 31872 - Withdrawn - aggregated with 159.198.149.0/24 (4608 1221 4637 702 31872)
  159.198.149.0/24     4608 1221 4637 702 31872 - Withdrawn - aggregated with 159.198.148.0/24 (4608 1221 4637 702 31872)
  159.198.150.0/24     4608 1221 4637 702 31872 - Withdrawn - aggregated with 159.198.151.0/24 (4608 1221 4637 702 31872)
  159.198.151.0/24     4608 1221 4637 702 31872 - Withdrawn - aggregated with 159.198.150.0/24 (4608 1221 4637 702 31872)
  159.198.160.0/23     4777 2516 703 31872  + Announce - aggregate of 159.198.160.0/24 (4777 2516 703 31872) and 159.198.161.0/24 (4777 2516 703 31872)
  159.198.160.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.161.0/24 (4777 2516 703 31872)
  159.198.161.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.160.0/24 (4777 2516 703 31872)
  159.198.162.0/24     4777 2516 703 31872    
  159.198.164.0/22     4777 2516 703 31872  + Announce - aggregate of 159.198.164.0/23 (4777 2516 703 31872) and 159.198.166.0/23 (4777 2516 703 31872)
  159.198.164.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.165.0/24 (4777 2516 703 31872)
  159.198.165.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.164.0/24 (4777 2516 703 31872)
  159.198.166.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.167.0/24 (4777 2516 703 31872)
  159.198.167.0/24     4777 2516 703 31872  - Withdrawn - aggregated with 159.198.166.0/24 (4777 2516 703 31872)

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

AS31872   21 More Specifics   21 Total Advertisements   VANTIVE-HEALTHCARE - Vantive Health, US
    159.198.128.0/24              159.198.128.0/18
    159.198.129.0/24              159.198.128.0/18
    159.198.130.0/24              159.198.128.0/18
    159.198.132.0/24              159.198.128.0/18
    159.198.133.0/24              159.198.128.0/18
    159.198.134.0/24              159.198.128.0/18
    159.198.135.0/24              159.198.128.0/18
    159.198.144.0/24              159.198.128.0/18
    159.198.145.0/24              159.198.128.0/18
    159.198.146.0/24              159.198.128.0/18
    159.198.148.0/24              159.198.128.0/18
    159.198.149.0/24              159.198.128.0/18
    159.198.150.0/24              159.198.128.0/18
    159.198.151.0/24              159.198.128.0/18
    159.198.160.0/24              159.198.128.0/18
    159.198.161.0/24              159.198.128.0/18
    159.198.162.0/24              159.198.128.0/18
    159.198.164.0/24              159.198.128.0/18
    159.198.165.0/24              159.198.128.0/18
    159.198.166.0/24              159.198.128.0/18
    159.198.167.0/24              159.198.128.0/18

Whois Entry

whois: 402628

IANA has recorded AS31872 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS31872\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:       31872
             ASName:         VANTIVE-HEALTHCARE
             ASHandle:       AS31872
             RegDate:        2024-02-14
             Updated:        2024-02-14
             Ref:            https://rdap.arin.net/registry/autnum/31872
             
             
             OrgName:        Vantive Health
             OrgId:          BRHL-3
             Address:        510 Lake Cook Road
             City:           Deerfield
             StateProv:      IL
             PostalCode:     60015
             Country:        US
             RegDate:        2023-08-10
             Updated:        2025-06-19
             Ref:            https://rdap.arin.net/registry/entity/BRHL-3
             
             
             OrgAbuseHandle: HOSTM2203-ARIN
             OrgAbuseName:   Hostmaster
             OrgAbusePhone:  +1-224-360-7143 
             OrgAbuseEmail:  hostmaster@vantive.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM2203-ARIN
             
             OrgTechHandle: HOSTM2203-ARIN
             OrgTechName:   Hostmaster
             OrgTechPhone:  +1-224-360-7143 
             OrgTechEmail:  hostmaster@vantive.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM2203-ARIN
             
             OrgNOCHandle: HOSTM2203-ARIN
             OrgNOCName:   Hostmaster
             OrgNOCPhone:  +1-224-360-7143 
             OrgNOCEmail:  hostmaster@vantive.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HOSTM2203-ARIN
             
             OrgRoutingHandle: HOSTM2203-ARIN
             OrgRoutingName:   Hostmaster
             OrgRoutingPhone:  +1-224-360-7143 
             OrgRoutingEmail:  hostmaster@vantive.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/HOSTM2203-ARIN
             
             OrgDNSHandle: HOSTM2203-ARIN
             OrgDNSName:   Hostmaster
             OrgDNSPhone:  +1-224-360-7143 
             OrgDNSEmail:  hostmaster@vantive.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/HOSTM2203-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.
             #