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	Prefix	Description
	204.75.143.0/24	DRW Holdings, LLC

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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)	✔	✘
	AS6461	Zayo Bandwidth	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS6461	Zayo Bandwidth	✔	✘

ASHandle:       AS1428
OrgID:          DRWHO
ASName:         DRW-HOLDINGS
ASNumber:       1428
RegDate:        2009-08-03
Comment:        Service Desk hours are M-F 7:30am - 5:00pm et.
Updated:        2012-03-02
TechHandle:     TMA233-ARIN
AbuseHandle:    TMA233-ARIN
NOCHandle:      TMA233-ARIN
Source:         ARIN



OrgID:          DRWHO
OrgName:        DRW Holdings, LLC
CanAllocate:    
Street:         540 W Madison Suite 2500
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
Comment:        Standard hours are 7:30 AM to 6:30 PM ET M-F
RegDate:        2009-02-17
Updated:        2025-07-10
OrgAdminHandle: NETWO4533-ARIN
OrgTechHandle:  CLOUD170-ARIN
OrgTechHandle:  NETWO4533-ARIN
OrgAbuseHandle: NETWO4533-ARIN
OrgNOCHandle:   NETWO4533-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO4533-ARIN
OrgAdminName:          Network Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CLOUD170-ARIN
OrgTechName:           Cloud Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO4533-ARIN
OrgTechName:           Network Admin
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO4533-ARIN
OrgAbuseName:          Network Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NETWO4533-ARIN
OrgNOCName:            Network Admin
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           TMA233-ARIN
TechName:             Trish May
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          TMA233-ARIN
AbuseName:            Trish May
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            TMA233-ARIN
NOCName:              Trish May
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:26:53Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695