Report for 19899

Name

MDC-EDU - Miami Dade College, 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.

19899 MDC-EDU - Miami Dade College, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS20214         COMCAST-20214 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1862  AS19899        ORIGIN  Originate:     132096 /14.99  Transit:          0 /0.00  MDC-EDU - Miami Dade College, 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       %
12071 AS19899       MDC-EDU - Miami Dade College, US                   6      4      1      3      3  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  147.70.0.0/16        4777 2516 7922 20214 19899   
  147.70.0.0/16        4777 2516 1299 46887 19899 + Announce - aggregate of 147.70.0.0/17 (4777 2516 1299 46887 19899) and 147.70.128.0/17 (4777 2516 1299 46887 19899)
  147.70.0.0/17        4777 2516 1299 46887 19899 - Withdrawn - aggregated with 147.70.128.0/17 (4777 2516 1299 46887 19899)
  147.70.128.0/17      4777 2516 1299 46887 19899 - Withdrawn - aggregated with 147.70.0.0/17 (4777 2516 1299 46887 19899)
  154.38.24.0/23       4777 2516 1299 46887 19899   
  154.38.24.0/24       4777 2516 1299 46887 19899 - Withdrawn - matching aggregate 154.38.24.0/23 4777 2516 1299 46887 19899
  154.38.25.0/24       4777 2516 1299 46887 19899 - Withdrawn - matching aggregate 154.38.24.0/23 4777 2516 1299 46887 19899

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

AS19899   5 More Specifics   6 Total Advertisements   MDC-EDU - Miami Dade College, US
    147.70.0.0/17                 147.70.0.0/16
    147.70.128.0/17               147.70.0.0/16
    154.38.24.0/23                154.38.0.0/16
    154.38.24.0/24                154.38.0.0/16
    154.38.25.0/24                154.38.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS19899 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19899\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:       19899
             ASName:         MDC-EDU
             ASHandle:       AS19899
             RegDate:        2001-02-28
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/19899
             
             
             OrgName:        Miami Dade College
             OrgId:          MDC-80
             Address:        11011 SW 104 Street
             City:           Miami
             StateProv:      FL
             PostalCode:     33176
             Country:        US
             RegDate:        2004-09-21
             Updated:        2025-10-27
             Ref:            https://rdap.arin.net/registry/entity/MDC-80
             
             
             OrgAbuseHandle: NTS4-ARIN
             OrgAbuseName:   Network and Telecommunication Services
             OrgAbusePhone:  +1-305-237-2505 
             OrgAbuseEmail:  netadmin2@mdc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NTS4-ARIN
             
             OrgTechHandle: NTS4-ARIN
             OrgTechName:   Network and Telecommunication Services
             OrgTechPhone:  +1-305-237-2505 
             OrgTechEmail:  netadmin2@mdc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NTS4-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.
             #