Report for 1678

Name

DOW - The Dow Chemical Company, 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.

1678 DOW - The Dow Chemical Company, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS5580          GTT-ASIA, NL
    AS702           UUNET - Verizon Business, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12154 AS1678         ORIGIN  Originate:       7936 /19.05  Transit:          0 /0.00  DOW - The Dow Chemical Company, 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       %
 6163 AS1678        DOW - The Dow Chemical Company, US                25     11      4     18      7  28.00%


  Prefix               AS Path                              Aggregation Suggestion
  151.163.2.0/23       4777 2497 7018 1678  + Announce - aggregate of 151.163.2.0/24 (4777 2497 7018 1678) and 151.163.3.0/24 (4777 2497 7018 1678)
  151.163.2.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 151.163.3.0/24 (4777 2497 7018 1678)
  151.163.3.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 151.163.2.0/24 (4777 2497 7018 1678)
  151.163.52.0/22      4777 2497 7018 1678    
  151.163.53.0/24      4777 2497 7018 1678  - Withdrawn - matching aggregate 151.163.52.0/22 4777 2497 7018 1678
  151.163.57.0/24      4777 2497 7018 1678    
  151.163.94.0/24      4777 2497 7018 1678    
  151.163.97.0/24      4777 2497 7018 1678    
  151.163.200.0/22     4777 2497 7018 1678    
  151.163.200.0/24     4777 2497 7018 1678  - Withdrawn - matching aggregate 151.163.200.0/22 4777 2497 7018 1678
  151.163.201.0/24     4777 2497 7018 1678  - Withdrawn - matching aggregate 151.163.200.0/22 4777 2497 7018 1678
  165.216.244.0/24     4777 2497 7018 1678    
  165.216.246.0/23     4777 2497 7018 1678  + Announce - aggregate of 165.216.246.0/24 (4777 2497 7018 1678) and 165.216.247.0/24 (4777 2497 7018 1678)
  165.216.246.0/24     4777 2497 7018 1678  - Withdrawn - aggregated with 165.216.247.0/24 (4777 2497 7018 1678)
  165.216.247.0/24     4777 2497 7018 1678  - Withdrawn - aggregated with 165.216.246.0/24 (4777 2497 7018 1678)
  165.216.248.0/24     4777 2497 7018 1678    
  204.136.167.0/24     4777 2497 3491 5580 1678   
  204.136.182.0/24     4777 2497 7018 1678    
  204.136.184.0/24     4777 2497 7018 1678    
  204.136.241.0/24     4608 1221 4637 702 1678   
  204.136.242.0/24     4608 1221 4637 702 1678   
  216.99.64.0/23       4777 2497 7018 1678  + Announce - aggregate of 216.99.64.0/24 (4777 2497 7018 1678) and 216.99.65.0/24 (4777 2497 7018 1678)
  216.99.64.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 216.99.65.0/24 (4777 2497 7018 1678)
  216.99.65.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 216.99.64.0/24 (4777 2497 7018 1678)
  216.99.82.0/23       4777 2497 7018 1678  + Announce - aggregate of 216.99.82.0/24 (4777 2497 7018 1678) and 216.99.83.0/24 (4777 2497 7018 1678)
  216.99.82.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 216.99.83.0/24 (4777 2497 7018 1678)
  216.99.83.0/24       4777 2497 7018 1678  - Withdrawn - aggregated with 216.99.82.0/24 (4777 2497 7018 1678)
  216.99.85.0/24       4777 2497 7018 1678    
  216.99.87.0/24       4777 2497 7018 1678    

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

AS1678   25 More Specifics   25 Total Advertisements   DOW - The Dow Chemical Company, US
    151.163.2.0/24                151.163.0.0/16
    151.163.3.0/24                151.163.0.0/16
    151.163.52.0/22               151.163.0.0/16
    151.163.53.0/24               151.163.0.0/16
    151.163.57.0/24               151.163.0.0/16
    151.163.94.0/24               151.163.0.0/16
    151.163.97.0/24               151.163.0.0/16
    151.163.200.0/22              151.163.0.0/16
    151.163.200.0/24              151.163.0.0/16
    151.163.201.0/24              151.163.0.0/16
    165.216.244.0/24              165.216.0.0/16
    165.216.246.0/24              165.216.0.0/16
    165.216.247.0/24              165.216.0.0/16
    165.216.248.0/24              165.216.0.0/16
    204.136.167.0/24              204.136.128.0/17
    204.136.182.0/24              204.136.128.0/17
    204.136.184.0/24              204.136.128.0/17
    204.136.241.0/24              204.136.128.0/17
    204.136.242.0/24              204.136.128.0/17
    216.99.64.0/24                216.99.64.0/19
    216.99.65.0/24                216.99.64.0/19
    216.99.82.0/24                216.99.64.0/19
    216.99.83.0/24                216.99.64.0/19
    216.99.85.0/24                216.99.64.0/19
    216.99.87.0/24                216.99.64.0/19

Whois Entry

whois: 402332

IANA has recorded AS1678 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1678\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:       1678
             ASName:         DOW
             ASHandle:       AS1678
             RegDate:        1996-11-22
             Updated:        2005-04-29
             Ref:            https://rdap.arin.net/registry/autnum/1678
             
             
             OrgName:        The Dow Chemical Company
             OrgId:          THEDOW
             Address:        2020 DOW Center
             City:           Midland
             StateProv:      MI
             PostalCode:     48674
             Country:        US
             RegDate:        1989-12-21
             Updated:        2020-11-18
             Ref:            https://rdap.arin.net/registry/entity/THEDOW
             
             
             OrgAbuseHandle: CONNE203-ARIN
             OrgAbuseName:   Connectivity Tower
             OrgAbusePhone:  +1-989-636-3249 
             OrgAbuseEmail:  mccunha1@dow.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CONNE203-ARIN
             
             OrgTechHandle: CONNE203-ARIN
             OrgTechName:   Connectivity Tower
             OrgTechPhone:  +1-989-636-3249 
             OrgTechEmail:  mccunha1@dow.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CONNE203-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.
             #