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	Prefix	Description
	12.43.214.0/24
	12.156.76.0/24	DATA 4726 LLC DBA SECUREDATA 365
	38.67.195.0/24	Cogent Communications, LLC
	38.86.47.0/24	Cogent Communications, LLC
	38.94.32.0/24	Cogent Communications, LLC
	38.101.73.0/24	Cogent Communications, LLC
	38.101.75.0/24	Cogent Communications, LLC
	38.126.217.0/24	Cogent Communications, LLC
	38.127.115.0/24	Cogent Communications, LLC
	144.86.168.0/24	Corporate Technologies LLC.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS11776	Breezeline	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS19009	Everstream Solutions LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS11776	Breezeline	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS19009	Everstream Solutions LLC	✔	✘

ASHandle:       AS40593
OrgID:          CTL-159
ASName:         CORPTECH-AS
ASNumber:       40593
RegDate:        2019-04-11
Updated:        2026-05-21
Source:         ARIN



OrgID:          CTL-159
OrgName:        Corporate Technologies LLC.
CanAllocate:    
Street:         1595 Galbraith Ave SE
City:           Grand Rapids
State/Prov:     MI
Country:        US
PostalCode:     49548
RegDate:        2014-05-21
Updated:        2026-03-10
OrgAdminHandle: NOC31897-ARIN
OrgTechHandle:  LEEHA15-ARIN
OrgTechHandle:  NOC31897-ARIN
OrgAbuseHandle: ABUSE4740-ARIN
OrgNOCHandle:   NOC31897-ARIN
Source:         ARIN





OrgAdminHandle:       NOC31897-ARIN
OrgAdminName:          Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        LEEHA15-ARIN
OrgTechName:          Hang Lee
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NOC31897-ARIN
OrgTechName:           Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ABUSE4740-ARIN
OrgAbuseName:          ABUSE NOC
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC31897-ARIN
OrgNOCName:            Network Operations Center
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:25:39Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-19009-associated	356
LEVEL3	as-as209-cust	1818
RADB	as-atlanticbb-abns	55
ARIN	as6128:as-customers	781