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	Prefix	Description
	66.18.16.0/20	DCT Technologies, Inc.

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4181	TDS TELECOM	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4181	TDS TELECOM	✔	✘

ASHandle:       AS6547
OrgID:          DCTTE
ASName:         DCT-ASN
ASNumber:       6547
RegDate:        1996-08-29
Updated:        2003-03-07
TechHandle:     AS18-ARINAS18-ARIN
Source:         ARIN



OrgID:          DCTTE
OrgName:        DCT Technologies, Inc.
CanAllocate:    
Street:         1400 Lombardi Ave.
Street:         Suite 30
City:           Green Bay
State/Prov:     WI
Country:        US
PostalCode:     54304
RegDate:        2002-11-26
Updated:        2011-09-24
OrgAdminHandle: DCT-ARIN
OrgTechHandle:  DNSAD7-ARIN
OrgAbuseHandle: DNSAD7-ARIN
Source:         ARIN





OrgAdminHandle:       DCT-ARIN
OrgAdminName:         David Troup
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DNSAD7-ARIN
OrgTechName:           DNS Administrator
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       DNSAD7-ARIN
OrgAbuseName:          DNS Administrator
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           AS18-ARINAS18-ARIN
TechName:             DNS Admin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-06T03:28:15Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-rr-biz	2131
ARIN	as-test2-tds-transit	98
ARIN	as-tds-transit	109
LEVEL3	as-level3-origins-na	0
ARIN	as-test1-tds-transit	98
ARIN	as-xo-b	60312
ARIN	as-test-tds-transit	98