Report for 23489

Name

MARINK12 - Marin County Office of Education, 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.

23489 MARINK12 - Marin County Office of Education, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS2152          CENIC-2152 - CENIC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18137 AS23489        ORIGIN  Originate:       3840 /20.09  Transit:          0 /0.00  MARINK12 - Marin County Office of Education, 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       %
 8415 AS23489       MARINK12 - Marin County Office of Education,      15     10      5     10      5  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  137.164.118.0/23     4608 7575 2153 2152 23489 + Announce - aggregate of 137.164.118.0/24 (4608 7575 2153 2152 23489) and 137.164.119.0/24 (4608 7575 2153 2152 23489)
  137.164.118.0/24     4608 7575 2153 2152 23489 - Withdrawn - aggregated with 137.164.119.0/24 (4608 7575 2153 2152 23489)
  137.164.119.0/24     4608 7575 2153 2152 23489 - Withdrawn - aggregated with 137.164.118.0/24 (4608 7575 2153 2152 23489)
  137.164.120.0/23     4608 7575 2153 2152 23489 + Announce - aggregate of 137.164.120.0/24 (4608 7575 2153 2152 23489) and 137.164.121.0/24 (4608 7575 2153 2152 23489)
  137.164.120.0/24     4608 7575 2153 2152 23489 - Withdrawn - aggregated with 137.164.121.0/24 (4608 7575 2153 2152 23489)
  137.164.121.0/24     4608 7575 2153 2152 23489 - Withdrawn - aggregated with 137.164.120.0/24 (4608 7575 2153 2152 23489)
  137.164.143.0/24     4608 7575 2153 2152 23489   
  199.88.94.0/23       4777 2516 2152 23489 + Announce - aggregate of 199.88.94.0/24 (4777 2516 2152 23489) and 199.88.95.0/24 (4777 2516 2152 23489)
  199.88.94.0/24       4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.95.0/24 (4777 2516 2152 23489)
  199.88.95.0/24       4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.94.0/24 (4777 2516 2152 23489)
  199.88.96.0/23       4777 2516 2152 23489 + Announce - aggregate of 199.88.96.0/24 (4777 2516 2152 23489) and 199.88.97.0/24 (4777 2516 2152 23489)
  199.88.96.0/24       4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.97.0/24 (4777 2516 2152 23489)
  199.88.97.0/24       4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.96.0/24 (4777 2516 2152 23489)
  199.88.99.0/24       4777 2516 2152 23489   
  199.88.100.0/24      4777 2516 2152 23489   
  199.88.112.0/24      4777 2516 2152 23489   
  199.88.119.0/24      4777 2516 2152 23489   
  199.88.124.0/23      4777 2516 2152 23489 + Announce - aggregate of 199.88.124.0/24 (4777 2516 2152 23489) and 199.88.125.0/24 (4777 2516 2152 23489)
  199.88.124.0/24      4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.125.0/24 (4777 2516 2152 23489)
  199.88.125.0/24      4777 2516 2152 23489 - Withdrawn - aggregated with 199.88.124.0/24 (4777 2516 2152 23489)

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

AS23489   15 More Specifics   15 Total Advertisements   MARINK12 - Marin County Office of Education, US
    137.164.118.0/24              137.164.0.0/16
    137.164.119.0/24              137.164.0.0/16
    137.164.120.0/24              137.164.0.0/16
    137.164.121.0/24              137.164.0.0/16
    137.164.143.0/24              137.164.0.0/16
    199.88.94.0/24                199.88.64.0/18
    199.88.95.0/24                199.88.64.0/18
    199.88.96.0/24                199.88.64.0/18
    199.88.97.0/24                199.88.64.0/18
    199.88.99.0/24                199.88.64.0/18
    199.88.100.0/24               199.88.64.0/18
    199.88.112.0/24               199.88.64.0/18
    199.88.119.0/24               199.88.64.0/18
    199.88.124.0/24               199.88.64.0/18
    199.88.125.0/24               199.88.64.0/18

Whois Entry

whois: 402591

IANA has recorded AS23489 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23489\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:       23489
             ASName:         MARINK12
             ASHandle:       AS23489
             RegDate:        2002-09-11
             Updated:        2024-01-25
             Ref:            https://rdap.arin.net/registry/autnum/23489
             
             
             OrgName:        Marin County Office of Education
             OrgId:          MCOE-3
             Address:        1111 Las Gallinas Ave
             City:           San Rafael
             StateProv:      CA
             PostalCode:     94903
             Country:        US
             RegDate:        2002-03-27
             Updated:        2024-01-25
             Ref:            https://rdap.arin.net/registry/entity/MCOE-3
             
             
             OrgTechHandle: MITCH1119-ARIN
             OrgTechName:   Mitchell, Nick  
             OrgTechPhone:  +1-415-499-5847 
             OrgTechEmail:  nmitchell@marinschools.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/MITCH1119-ARIN
             
             OrgNOCHandle: MITCH1119-ARIN
             OrgNOCName:   Mitchell, Nick  
             OrgNOCPhone:  +1-415-499-5847 
             OrgNOCEmail:  nmitchell@marinschools.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MITCH1119-ARIN
             
             OrgAbuseHandle: MITCH1119-ARIN
             OrgAbuseName:   Mitchell, Nick  
             OrgAbusePhone:  +1-415-499-5847 
             OrgAbuseEmail:  nmitchell@marinschools.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MITCH1119-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.
             #