
1678 DOW, US
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS3257 GTT-BACKBONE GTT, US
AS7018 ATT-INTERNET4, US
AS5580 GTT-ASIA, NL
AS702 UUNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 12313 AS1678 ORIGIN Originate: 7936 /19.05 Transit: 0 /0.00 DOW, 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 % 6396 AS1678 DOW, US 25 11 4 18 7 28.00% Prefix AS Path Aggregation Suggestion 151.163.2.0/23 7018 1678 + Announce - aggregate of 151.163.2.0/24 (7018 1678) and 151.163.3.0/24 (7018 1678) 151.163.2.0/24 7018 1678 - Withdrawn - aggregated with 151.163.3.0/24 (7018 1678) 151.163.3.0/24 7018 1678 - Withdrawn - aggregated with 151.163.2.0/24 (7018 1678) 151.163.52.0/22 7018 1678 151.163.53.0/24 7018 1678 - Withdrawn - matching aggregate 151.163.52.0/22 7018 1678 151.163.57.0/24 7018 1678 151.163.94.0/24 7018 1678 151.163.97.0/24 7018 1678 151.163.200.0/22 7018 1678 151.163.200.0/24 7018 1678 - Withdrawn - matching aggregate 151.163.200.0/22 7018 1678 151.163.201.0/24 7018 1678 - Withdrawn - matching aggregate 151.163.200.0/22 7018 1678 165.216.244.0/24 7018 1678 165.216.246.0/23 7018 1678 + Announce - aggregate of 165.216.246.0/24 (7018 1678) and 165.216.247.0/24 (7018 1678) 165.216.246.0/24 7018 1678 - Withdrawn - aggregated with 165.216.247.0/24 (7018 1678) 165.216.247.0/24 7018 1678 - Withdrawn - aggregated with 165.216.246.0/24 (7018 1678) 165.216.248.0/24 7018 1678 204.136.167.0/24 3257 5580 1678 204.136.182.0/24 7018 1678 204.136.184.0/24 7018 1678 204.136.241.0/24 6939 702 1678 204.136.242.0/24 6939 702 1678 216.99.64.0/23 7018 1678 + Announce - aggregate of 216.99.64.0/24 (7018 1678) and 216.99.65.0/24 (7018 1678) 216.99.64.0/24 7018 1678 - Withdrawn - aggregated with 216.99.65.0/24 (7018 1678) 216.99.65.0/24 7018 1678 - Withdrawn - aggregated with 216.99.64.0/24 (7018 1678) 216.99.82.0/23 7018 1678 + Announce - aggregate of 216.99.82.0/24 (7018 1678) and 216.99.83.0/24 (7018 1678) 216.99.82.0/24 7018 1678 - Withdrawn - aggregated with 216.99.83.0/24 (7018 1678) 216.99.83.0/24 7018 1678 - Withdrawn - aggregated with 216.99.82.0/24 (7018 1678) 216.99.85.0/24 7018 1678 216.99.87.0/24 7018 1678
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS1678 20 More Specifics 20 Total Advertisements DOW, US
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
204.136.186.0/24 204.136.128.0/17
204.136.203.0/24 204.136.128.0/17
204.136.206.0/24 204.136.128.0/17
204.136.207.0/24 204.136.128.0/17
204.136.218.0/24 204.136.128.0/17
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
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
151.163.201.0/24 151.163.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 151.163.3.0/24 Withdrawn
- 151.163.52.0/22 Withdrawn
- 151.163.53.0/24 Withdrawn
- 151.163.57.0/24 Withdrawn
- 151.163.94.0/24 Withdrawn
- 151.163.97.0/24 Withdrawn
- 151.163.201.0/24 Withdrawn
whois: 402603
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/
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# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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: +1-989-264-5156
OrgAbuseEmail: dldowipaddresses@dow.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CONNE203-ARIN
OrgTechHandle: CONNE203-ARIN
OrgTechName: Connectivity Tower
OrgTechPhone: +1-989-264-5156
OrgTechEmail: dldowipaddresses@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.
#