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	Prefix	Description
	50.203.38.0/24	Comcast Cable Communications, LLC
	38.97.204.0/22	Cogent Communications, LLC
	104.225.254.0/23	Full Duplex Inc
	162.244.128.0/22	Full Duplex Inc
	162.248.104.0/21	Full Duplex Inc
	192.223.9.0/24	Full Duplex Inc
	2605:2480::/32	Full Duplex Inc

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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	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS33652	Comcast Cable Communications, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS33652	Comcast Cable Communications, LLC	✔	✔
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS15169	Google LLC	✔	✘

ASHandle:       AS53454
OrgID:          FULLD
ASName:         FULLDUPLEX-DEN
ASNumber:       53454
RegDate:        2010-02-11
Updated:        2013-11-08
TechHandle:     SBR236-ARIN
AbuseHandle:    ABUSE3982-ARIN
Source:         ARIN



OrgID:          FULLD
OrgName:        Full Duplex Inc
CanAllocate:    
Street:         411 Walnut Street Box #18195
City:           Green Cove Springs
State/Prov:     FL
Country:        US
PostalCode:     32043
RegDate:        2009-12-18
Updated:        2024-11-25
OrgAdminHandle: SBR236-ARIN
OrgTechHandle:  SBR236-ARIN
OrgTechHandle:  SPAIN44-ARIN
OrgAbuseHandle: SBR236-ARIN
Source:         ARIN





OrgAdminHandle:       SBR236-ARIN
OrgAdminName:         Shaun Bryant
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SBR236-ARIN
OrgTechName:          Shaun Bryant
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SPAIN44-ARIN
OrgTechName:          John Spainhower
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SBR236-ARIN
OrgAbuseName:         Shaun Bryant
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           SBR236-ARIN
TechName:             Shaun Bryant
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          ABUSE3982-ARIN
AbuseName:             Abuse
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:28:48Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-ixden	62702
RADB	as-comcast-edia	2774
APNIC	as-63529-as-import-as6939	39032
LEVEL3	as-lumen-customers-asns	10695
RADB	as-rr-biz	2133