40593 CCSI-AS, US
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS19009 ONECLEVELAND, US
AS11776 ATLANTICBB-JOHNSTOWN, US
AS174 COGENT-174, US
AS7018 ATT-INTERNET4, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23611 AS40593 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 CCSI-AS, 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 % 42795 AS40593 CCSI-AS, US 9 0 0 9 0 0.00% Prefix AS Path Aggregation Suggestion 12.43.214.0/24 7018 40593 12.156.76.0/24 7018 40593 38.67.195.0/24 49788 174 40593 38.86.47.0/24 49788 174 40593 38.101.73.0/24 49788 174 40593 38.101.75.0/24 49788 174 40593 38.126.217.0/24 49788 174 40593 38.127.115.0/24 2914 11776 40593 144.86.168.0/24 2914 11776 40593
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS40593 1 More Specifics 2 Total Advertisements CCSI-AS, US
38.127.115.0/24 38.0.0.0/8
12.43.214.0/24 12.0.0.0/8
12.156.76.0/24 12.0.0.0/8
38.126.217.0/24 38.0.0.0/8
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 12.43.214.0/24 Withdrawn
- 12.156.76.0/24 Withdrawn
- 38.126.217.0/24 Withdrawn
whois: 402590
IANA has recorded AS40593 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS40593\n
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ASNumber: 40593
ASName: CORPTECH-AS
ASHandle: AS40593
RegDate: 2019-04-11
Updated: 2026-05-21
Ref: https://rdap.arin.net/registry/autnum/40593
OrgName: Corporate Technologies LLC.
OrgId: CTL-159
Address: 1595 Galbraith Ave SE
City: Grand Rapids
StateProv: MI
PostalCode: 49548
Country: US
RegDate: 2014-05-21
Updated: 2026-03-10
Ref: https://rdap.arin.net/registry/entity/CTL-159
OrgTechHandle: LEEHA15-ARIN
OrgTechName: Lee, Hang
OrgTechPhone: +1-952-248-3172
OrgTechEmail: hang.lee@gocorptech.com
OrgTechRef: https://rdap.arin.net/registry/entity/LEEHA15-ARIN
OrgAbuseHandle: ABUSE4740-ARIN
OrgAbuseName: ABUSE NOC
OrgAbusePhone: +1-616-575-8500
OrgAbuseEmail: abuse@gocorptech.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4740-ARIN
OrgNOCHandle: NOC31897-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-616-575-8500
OrgNOCEmail: wan@gocorptech.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC31897-ARIN
OrgTechHandle: NOC31897-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-616-575-8500
OrgTechEmail: wan@gocorptech.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC31897-ARIN
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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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