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	Prefix	Description
	158.59.0.0/18	Arlington County Government
	158.59.0.0/17	Arlington County Government
	158.59.64.0/21	Arlington County Government
	158.59.64.0/18	Arlington County Government
	158.59.70.0/24	Arlington County Government
	158.59.72.0/22	Arlington County Government
	158.59.126.0/23	Arlington County Government

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS10886	University of Maryland	✔	✘
	AS701	Verizon Business	✔	✘
	AS7029	Windstream Communications LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS10886	University of Maryland	✔	✘
	AS701	Verizon Business	✔	✘
	AS7029	Windstream Communications LLC	✔	✘

ASHandle:       AS25807
OrgID:          ACG-9
ASName:         ARLINGTONVA
ASNumber:       25807
RegDate:        2008-06-23
Updated:        2012-03-02
Source:         ARIN



OrgID:          ACG-9
OrgName:        Arlington County Government
CanAllocate:    
Street:         Court House Plaza
Street:         2100 Clarendon Blvd. Suite 612
City:           Arlington
State/Prov:     VA
Country:        US
PostalCode:     22201
Comment:        www.arlingtonva.us
RegDate:        1992-02-14
Updated:        2025-07-09
OrgAdminHandle: MNA89-ARIN
OrgTechHandle:  JCJ28-ARIN
OrgTechHandle:  MNA89-ARIN
OrgTechHandle:  TAYLO607-ARIN
OrgAbuseHandle: SECUR101-ARIN
OrgDNSHandle:   JCJ28-ARIN
Source:         ARIN





OrgAdminHandle:       MNA89-ARIN
OrgAdminName:         Matthew Adkins
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        JCJ28-ARIN
OrgTechName:          Jason Jones
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MNA89-ARIN
OrgTechName:          Matthew Adkins
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TAYLO607-ARIN
OrgTechName:          Jeffrey Taylor
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SECUR101-ARIN
OrgAbuseName:          Security Admin
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         JCJ28-ARIN
OrgDNSName:           Jason Jones
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:26:44Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as10886:as-re-part	52
RADB	as-windstream-cust	2136
RADB	as10886:as-isp-part	42
RADB	as10886:as-all	68
RADB	as-ccf-test	1461
RADB	as10886:as-cps-part	56
RADB	as-ccf	1506