Report for 12099

Name

OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE 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 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.

12099 OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE INC, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS26554         US-SIGNAL - US Signal Company, L.L.C., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1830  AS12099        ORIGIN  Originate:     132608 /14.98  Transit:          0 /0.00  OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE INC, 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       %
11896 AS12099       OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE INC,       7      5      2      4      3  42.86%


  Prefix               AS Path                              Aggregation Suggestion
  162.82.0.0/16        4777 2516 3257 26554 12099 + Announce - aggregate of 162.82.0.0/17 (4777 2516 3257 26554 12099) and 162.82.128.0/17 (4777 2516 3257 26554 12099)
  162.82.0.0/17        4777 2516 3257 26554 12099 - Withdrawn - aggregated with 162.82.128.0/17 (4777 2516 3257 26554 12099)
  162.82.128.0/17      4777 2516 3257 26554 12099 - Withdrawn - aggregated with 162.82.0.0/17 (4777 2516 3257 26554 12099)
  162.82.185.0/24      4608 7575 6461 46887 12099   
  162.82.186.0/24      4777 2516 3257 26554 12099 - Withdrawn - matching aggregate 162.82.128.0/17 4777 2516 3257 26554 12099
  167.73.0.0/16        4777 6939 26554 12099   
  208.90.92.0/22       4777 2516 3257 26554 12099 + Announce - aggregate of 208.90.92.0/23 (4777 2516 3257 26554 12099) and 208.90.94.0/23 (4777 2516 3257 26554 12099)
  208.90.92.0/23       4777 2516 3257 26554 12099 - Withdrawn - aggregated with 208.90.94.0/23 (4777 2516 3257 26554 12099)
  208.90.94.0/23       4777 2516 3257 26554 12099 - Withdrawn - aggregated with 208.90.92.0/23 (4777 2516 3257 26554 12099)

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

AS12099   6 More Specifics   7 Total Advertisements   OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE INC, US
    162.82.0.0/17                 162.82.0.0/16
    162.82.128.0/17               162.82.0.0/16
    162.82.185.0/24               162.82.0.0/16
    162.82.186.0/24               162.82.0.0/16
    208.90.92.0/23                208.90.92.0/22
    208.90.94.0/23                208.90.92.0/22

Whois Entry

whois: 402332

IANA has recorded AS12099 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12099\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:       12099
             ASName:         OAKWOOD-HEALTHCARE
             ASHandle:       AS12099
             RegDate:        2008-03-11
             Updated:        2025-07-31
             Ref:            https://rdap.arin.net/registry/autnum/12099
             
             
             OrgName:        OAKWOOD HEALTHCARE INC
             OrgId:          OAKWOO-6
             Address:        18108 OAKWOOD BLVD
             City:           DEARBORN
             StateProv:      MI
             PostalCode:     48123
             Country:        US
             RegDate:        2001-04-09
             Updated:        2026-01-27
             Ref:            https://rdap.arin.net/registry/entity/OAKWOO-6
             
             
             OrgAbuseHandle: MCMUL83-ARIN
             OrgAbuseName:   McMullen, Michael 
             OrgAbusePhone:  +1-248-733-7363 
             OrgAbuseEmail:  michael.mcmullen@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             OrgTechHandle: GRESH26-ARIN
             OrgTechName:   Gresham, William 
             OrgTechPhone:  +1-616-460-5274 
             OrgTechEmail:  william.gresham@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             OrgTechHandle: TAYLO191-ARIN
             OrgTechName:   Taylor, Mark 
             OrgTechPhone:  +1-248-733-7366 
             OrgTechEmail:  mark.taylor@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             OrgAbuseHandle: TOROD-ARIN
             OrgAbuseName:   Torode, David 
             OrgAbusePhone:  +1-248-766-2584 
             OrgAbuseEmail:  david.torode@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             OrgTechHandle: DALDI-ARIN
             OrgTechName:   Daldine, Ken 
             OrgTechPhone:  +1-248-597-7031 
             OrgTechEmail:  kenny.daldine@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN
             
             OrgDNSHandle: GRESH26-ARIN
             OrgDNSName:   Gresham, William 
             OrgDNSPhone:  +1-616-460-5274 
             OrgDNSEmail:  william.gresham@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             OrgDNSHandle: TOROD-ARIN
             OrgDNSName:   Torode, David 
             OrgDNSPhone:  +1-248-766-2584 
             OrgDNSEmail:  david.torode@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             OrgDNSHandle: DALDI-ARIN
             OrgDNSName:   Daldine, Ken 
             OrgDNSPhone:  +1-248-597-7031 
             OrgDNSEmail:  kenny.daldine@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN
             
             OrgRoutingHandle: MCMUL83-ARIN
             OrgRoutingName:   McMullen, Michael 
             OrgRoutingPhone:  +1-248-733-7363 
             OrgRoutingEmail:  michael.mcmullen@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             OrgAbuseHandle: KRAEM6-ARIN
             OrgAbuseName:   Kraemer, Fred 
             OrgAbusePhone:  +1-248-577-7277 
             OrgAbuseEmail:  fred.kraemer@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             OrgDNSHandle: TAYLO191-ARIN
             OrgDNSName:   Taylor, Mark 
             OrgDNSPhone:  +1-248-733-7366 
             OrgDNSEmail:  mark.taylor@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             OrgTechHandle: KRAEM6-ARIN
             OrgTechName:   Kraemer, Fred 
             OrgTechPhone:  +1-248-577-7277 
             OrgTechEmail:  fred.kraemer@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             OrgRoutingHandle: DALDI-ARIN
             OrgRoutingName:   Daldine, Ken 
             OrgRoutingPhone:  +1-248-597-7031 
             OrgRoutingEmail:  kenny.daldine@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN
             
             OrgDNSHandle: MCMUL83-ARIN
             OrgDNSName:   McMullen, Michael 
             OrgDNSPhone:  +1-248-733-7363 
             OrgDNSEmail:  michael.mcmullen@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             OrgRoutingHandle: GRESH26-ARIN
             OrgRoutingName:   Gresham, William 
             OrgRoutingPhone:  +1-616-460-5274 
             OrgRoutingEmail:  william.gresham@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             OrgRoutingHandle: KRAEM6-ARIN
             OrgRoutingName:   Kraemer, Fred 
             OrgRoutingPhone:  +1-248-577-7277 
             OrgRoutingEmail:  fred.kraemer@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             OrgNOCHandle: GRESH26-ARIN
             OrgNOCName:   Gresham, William 
             OrgNOCPhone:  +1-616-460-5274 
             OrgNOCEmail:  william.gresham@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             OrgNOCHandle: DALDI-ARIN
             OrgNOCName:   Daldine, Ken 
             OrgNOCPhone:  +1-248-597-7031 
             OrgNOCEmail:  kenny.daldine@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN
             
             OrgTechHandle: MCMUL83-ARIN
             OrgTechName:   McMullen, Michael 
             OrgTechPhone:  +1-248-733-7363 
             OrgTechEmail:  michael.mcmullen@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             OrgDNSHandle: KRAEM6-ARIN
             OrgDNSName:   Kraemer, Fred 
             OrgDNSPhone:  +1-248-577-7277 
             OrgDNSEmail:  fred.kraemer@corewellhealth.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             OrgRoutingHandle: TAYLO191-ARIN
             OrgRoutingName:   Taylor, Mark 
             OrgRoutingPhone:  +1-248-733-7366 
             OrgRoutingEmail:  mark.taylor@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             OrgAbuseHandle: DALDI-ARIN
             OrgAbuseName:   Daldine, Ken 
             OrgAbusePhone:  +1-248-597-7031 
             OrgAbuseEmail:  kenny.daldine@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN
             
             OrgAbuseHandle: GRESH26-ARIN
             OrgAbuseName:   Gresham, William 
             OrgAbusePhone:  +1-616-460-5274 
             OrgAbuseEmail:  william.gresham@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             OrgTechHandle: TOROD-ARIN
             OrgTechName:   Torode, David 
             OrgTechPhone:  +1-248-766-2584 
             OrgTechEmail:  david.torode@corewellhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             OrgAbuseHandle: TAYLO191-ARIN
             OrgAbuseName:   Taylor, Mark 
             OrgAbusePhone:  +1-248-733-7366 
             OrgAbuseEmail:  mark.taylor@corewellhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             OrgNOCHandle: TOROD-ARIN
             OrgNOCName:   Torode, David 
             OrgNOCPhone:  +1-248-766-2584 
             OrgNOCEmail:  david.torode@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             OrgNOCHandle: TAYLO191-ARIN
             OrgNOCName:   Taylor, Mark 
             OrgNOCPhone:  +1-248-733-7366 
             OrgNOCEmail:  mark.taylor@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             OrgRoutingHandle: TOROD-ARIN
             OrgRoutingName:   Torode, David 
             OrgRoutingPhone:  +1-248-766-2584 
             OrgRoutingEmail:  david.torode@corewellhealth.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             OrgNOCHandle: KRAEM6-ARIN
             OrgNOCName:   Kraemer, Fred 
             OrgNOCPhone:  +1-248-577-7277 
             OrgNOCEmail:  fred.kraemer@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             OrgNOCHandle: MCMUL83-ARIN
             OrgNOCName:   McMullen, Michael 
             OrgNOCPhone:  +1-248-733-7363 
             OrgNOCEmail:  michael.mcmullen@corewellhealth.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             RAbuseHandle: TAYLO191-ARIN
             RAbuseName:   Taylor, Mark 
             RAbusePhone:  +1-248-733-7366 
             RAbuseEmail:  mark.taylor@corewellhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             RTechHandle: TAYLO191-ARIN
             RTechName:   Taylor, Mark 
             RTechPhone:  +1-248-733-7366 
             RTechEmail:  mark.taylor@corewellhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             RNOCHandle: MCMUL83-ARIN
             RNOCName:   McMullen, Michael 
             RNOCPhone:  +1-248-733-7363 
             RNOCEmail:  michael.mcmullen@corewellhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             RTechHandle: MCMUL83-ARIN
             RTechName:   McMullen, Michael 
             RTechPhone:  +1-248-733-7363 
             RTechEmail:  michael.mcmullen@corewellhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             RNOCHandle: TOROD-ARIN
             RNOCName:   Torode, David 
             RNOCPhone:  +1-248-766-2584 
             RNOCEmail:  david.torode@corewellhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             RAbuseHandle: MCMUL83-ARIN
             RAbuseName:   McMullen, Michael 
             RAbusePhone:  +1-248-733-7363 
             RAbuseEmail:  michael.mcmullen@corewellhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/MCMUL83-ARIN
             
             RNOCHandle: TAYLO191-ARIN
             RNOCName:   Taylor, Mark 
             RNOCPhone:  +1-248-733-7366 
             RNOCEmail:  mark.taylor@corewellhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/TAYLO191-ARIN
             
             RNOCHandle: KRAEM6-ARIN
             RNOCName:   Kraemer, Fred 
             RNOCPhone:  +1-248-577-7277 
             RNOCEmail:  fred.kraemer@corewellhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             RTechHandle: KRAEM6-ARIN
             RTechName:   Kraemer, Fred 
             RTechPhone:  +1-248-577-7277 
             RTechEmail:  fred.kraemer@corewellhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             RAbuseHandle: KRAEM6-ARIN
             RAbuseName:   Kraemer, Fred 
             RAbusePhone:  +1-248-577-7277 
             RAbuseEmail:  fred.kraemer@corewellhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/KRAEM6-ARIN
             
             RNOCHandle: GRESH26-ARIN
             RNOCName:   Gresham, William 
             RNOCPhone:  +1-616-460-5274 
             RNOCEmail:  william.gresham@corewellhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             RTechHandle: GRESH26-ARIN
             RTechName:   Gresham, William 
             RTechPhone:  +1-616-460-5274 
             RTechEmail:  william.gresham@corewellhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             RAbuseHandle: GRESH26-ARIN
             RAbuseName:   Gresham, William 
             RAbusePhone:  +1-616-460-5274 
             RAbuseEmail:  william.gresham@corewellhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN
             
             RTechHandle: TOROD-ARIN
             RTechName:   Torode, David 
             RTechPhone:  +1-248-766-2584 
             RTechEmail:  david.torode@corewellhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/TOROD-ARIN
             
             RAbuseHandle: TOROD-ARIN
             RAbuseName:   Torode, David 
             RAbusePhone:  +1-248-766-2584 
             RAbuseEmail:  david.torode@corewellhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/TOROD-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.
             #