Report for 572

Name

GBMC-TOW - Greater Baltimore Medical Center 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.

572 GBMC-TOW - Greater Baltimore Medical Center Inc, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS17054         EXPEDIENT - Expedient, US
    AS701           UUNET - Verizon Business, US
    AS33657         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30245 AS572          ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  GBMC-TOW - Greater Baltimore Medical Center 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       %
20537 AS572         GBMC-TOW - Greater Baltimore Medical Center I      4      1      0      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  65.111.72.0/23       4777 2497 701 572      
  198.185.26.0/23      4777 2516 7922 33657 572   
  198.185.26.0/24      4777 2516 7922 33657 572 - Withdrawn - matching aggregate 198.185.26.0/23 4777 2516 7922 33657 572
  198.185.27.0/24      4777 2497 2914 17054 572   

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

AS572   3 More Specifics   4 Total Advertisements   GBMC-TOW - Greater Baltimore Medical Center Inc, US
    65.111.72.0/23                65.111.64.0/19
    198.185.26.0/24               198.185.26.0/23
    198.185.27.0/24               198.185.26.0/23

Whois Entry

whois: 402332

IANA has recorded AS572 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS572\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:       572
             ASName:         GBMC-TOW
             ASHandle:       AS572
             RegDate:        2014-02-18
             Updated:        2014-02-18
             Ref:            https://rdap.arin.net/registry/autnum/572
             
             
             OrgName:        Greater Baltimore Medical Center Inc
             OrgId:          GBMC-2
             Address:        6701 N. Charles St
             City:           Towson
             StateProv:      MD
             PostalCode:     21204
             Country:        US
             RegDate:        2013-07-29
             Updated:        2021-02-16
             Ref:            https://rdap.arin.net/registry/entity/GBMC-2
             
             
             OrgTechHandle: HALLS17-ARIN
             OrgTechName:   Hall, Steve 
             OrgTechPhone:  +1-443-849-3625 
             OrgTechEmail:  shall@gbmc.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/HALLS17-ARIN
             
             OrgAbuseHandle: HALLS17-ARIN
             OrgAbuseName:   Hall, Steve 
             OrgAbusePhone:  +1-443-849-3625 
             OrgAbuseEmail:  shall@gbmc.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HALLS17-ARIN
             
             OrgNOCHandle: HALLS17-ARIN
             OrgNOCName:   Hall, Steve 
             OrgNOCPhone:  +1-443-849-3625 
             OrgNOCEmail:  shall@gbmc.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HALLS17-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.
             #