Report for 25808

Name

CONCORD-MA - Town of Concord MA, 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.

25808 CONCORD-MA - Town of Concord MA, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS54004         LIGHTPATH - Cablevision Lightpath LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19064 AS25808        ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  CONCORD-MA - Town of Concord MA, 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       %
 9804 AS25808       CONCORD-MA - Town of Concord MA, US               13      6      2      9      4  30.77%


  Prefix               AS Path                              Aggregation Suggestion
  38.97.130.0/24       4608 6939 54004 25808   
  38.97.136.0/24       4608 6939 54004 25808   
  38.242.8.0/22        4777 2516 174 25808  + Announce - aggregate of 38.242.8.0/23 (4777 2516 174 25808) and 38.242.10.0/23 (4777 2516 174 25808)
  38.242.8.0/24        4777 2516 174 25808  - Withdrawn - aggregated with 38.242.9.0/24 (4777 2516 174 25808)
  38.242.9.0/24        4777 2516 174 25808  - Withdrawn - aggregated with 38.242.8.0/24 (4777 2516 174 25808)
  38.242.10.0/24       4777 2516 174 25808  - Withdrawn - aggregated with 38.242.11.0/24 (4777 2516 174 25808)
  38.242.11.0/24       4777 2516 174 25808  - Withdrawn - aggregated with 38.242.10.0/24 (4777 2516 174 25808)
  47.19.118.0/24       4608 6939 54004 25808   
  148.76.116.0/24      4608 6939 54004 25808   
  172.110.60.0/23      4608 6939 54004 25808 + Announce - aggregate of 172.110.60.0/24 (4608 6939 54004 25808) and 172.110.61.0/24 (4608 6939 54004 25808)
  172.110.60.0/24      4608 6939 54004 25808 - Withdrawn - aggregated with 172.110.61.0/24 (4608 6939 54004 25808)
  172.110.61.0/24      4608 6939 54004 25808 - Withdrawn - aggregated with 172.110.60.0/24 (4608 6939 54004 25808)
  172.110.62.0/24      4608 6939 54004 25808   
  199.125.66.0/24      4608 6939 54004 25808   
  199.125.68.0/24      4608 6939 54004 25808   

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

AS25808   13 More Specifics   13 Total Advertisements   CONCORD-MA - Town of Concord MA, US
    38.97.130.0/24                38.0.0.0/8
    38.97.136.0/24                38.0.0.0/8
    38.242.8.0/24                 38.0.0.0/8
    38.242.9.0/24                 38.0.0.0/8
    38.242.10.0/24                38.0.0.0/8
    38.242.11.0/24                38.0.0.0/8
    47.19.118.0/24                47.19.0.0/16
    148.76.116.0/24               148.76.64.0/18
    172.110.60.0/24               172.110.60.0/22
    172.110.61.0/24               172.110.60.0/22
    172.110.62.0/24               172.110.60.0/22
    199.125.66.0/24               199.125.64.0/18
    199.125.68.0/24               199.125.64.0/18

Whois Entry

whois: 402599

IANA has recorded AS25808 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25808\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:       25808
             ASName:         CONCORD-MA
             ASHandle:       AS25808
             RegDate:        2013-08-20
             Updated:        2013-08-20
             Ref:            https://rdap.arin.net/registry/autnum/25808
             
             
             OrgName:        Town of Concord MA
             OrgId:          TCM-44
             Address:        1175 Elm St
             City:           Concord
             StateProv:      MA
             PostalCode:     01742
             Country:        US
             RegDate:        2013-06-28
             Updated:        2025-07-10
             Ref:            https://rdap.arin.net/registry/entity/TCM-44
             
             
             OrgNOCHandle: BULGE2-ARIN
             OrgNOCName:   Bulger, Jason 
             OrgNOCPhone:  +1-978-318-3170 
             OrgNOCEmail:  jbulger@concordma.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BULGE2-ARIN
             
             OrgTechHandle: BULGE2-ARIN
             OrgTechName:   Bulger, Jason 
             OrgTechPhone:  +1-978-318-3170 
             OrgTechEmail:  jbulger@concordma.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/BULGE2-ARIN
             
             OrgTechHandle: HARTL147-ARIN
             OrgTechName:   Hartling, Dale 
             OrgTechPhone:  +1-978-318-3101 
             OrgTechEmail:  dhartling@concordma.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/HARTL147-ARIN
             
             OrgAbuseHandle: ABUSE9157-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-978-318-3106 
             OrgAbuseEmail:  abuse@concordma.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9157-ARIN
             
             OrgAbuseHandle: BULGE2-ARIN
             OrgAbuseName:   Bulger, Jason 
             OrgAbusePhone:  +1-978-318-3170 
             OrgAbuseEmail:  jbulger@concordma.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BULGE2-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.
             #