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	Prefix	Description
	8.40.242.0/23	HORIZON DATA SOLUTIONS, LLC
	67.211.49.0/24	zColo
	67.211.53.0/24	zColo
	67.211.56.0/23	zColo
	74.124.18.0/23	zColo
	74.124.26.0/24	zColo
	74.124.27.0/24	zColo
	108.166.182.0/24	zColo
	199.36.136.0/24	HORIZON DATA SOLUTIONS, LLC
	199.36.136.0/23	HORIZON DATA SOLUTIONS, LLC
	199.36.137.0/24	HORIZON DATA SOLUTIONS, LLC
	199.36.142.0/23	HORIZON DATA SOLUTIONS, LLC
	209.105.247.0/24	zColo

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS13767	DataBank Holdings, Ltd.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS13767	DataBank Holdings, Ltd.	✔	✘

ASHandle:       AS26405
OrgID:          HDSL-3
ASName:         HDCS
ASNumber:       26405
RegDate:        2010-09-03
Updated:        2012-02-24
Source:         ARIN



OrgID:          HDSL-3
OrgName:        HORIZON DATA SOLUTIONS, LLC
CanAllocate:    
Street:         260 Adriatic Pkwy
City:           Mckinney
State/Prov:     TX
Country:        US
PostalCode:     75070
Comment:        http://www.vazata.com
RegDate:        2010-04-14
Updated:        2022-01-31
ReferralServer: rwhois://rwhois1.horizondcs.net:4321
OrgAdminHandle: IPADM517-ARIN
OrgTechHandle:  IPADM517-ARIN
OrgAbuseHandle: IPADM517-ARIN
OrgNOCHandle:   IPADM517-ARIN
OrgRoutingHandle:   IPADM517-ARIN
OrgDNSHandle:   IPADM517-ARIN
Source:         ARIN





OrgAdminHandle:       IPADM517-ARIN
OrgAdminName:          IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        IPADM517-ARIN
OrgTechName:           IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       IPADM517-ARIN
OrgAbuseName:          IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         IPADM517-ARIN
OrgNOCName:            IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     IPADM517-ARIN
OrgRoutingName:        IP Admin
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         IPADM517-ARIN
OrgDNSName:            IP Admin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-17T03:26:08Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-corexchange-us	25
RADB	as-pnapwdc002	259
LEVEL3	as-lumen-customers-asns	10695
RADB	as-databank	190
RADB	as-itxbr1	6467