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	Prefix	Description
	107.0.46.0/23	Comcast Cable Communications, LLC
	199.88.64.0/21	County of Marin
	199.88.72.0/22	County of Marin
	199.88.76.0/23	County of Marin
	199.88.79.0/24	County of Marin
	199.88.80.0/21	County of Marin
	199.88.88.0/22	County of Marin
	199.88.113.0/24	County of Marin
	199.88.114.0/23	County of Marin
	199.88.116.0/23	County of Marin
	199.88.118.0/24	County of Marin
	199.88.120.0/23	County of Marin

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS33651	Comcast Cable Communications, LLC	✔	✘
	AS33667	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS33651	Comcast Cable Communications, LLC	✔	✘
	AS33667	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS10309
OrgID:          COUNTY-59
ASName:         MARIN-MIDAS
ASNumber:       10309
RegDate:        1997-06-23
Updated:        1997-06-23
TechHandle:     JN1916-ARIN
Source:         ARIN



OrgID:          COUNTY-59
OrgName:        County of Marin
CanAllocate:    
Street:         3501 Cicic Center Dr
City:           San Rafael
State/Prov:     CA
Country:        US
PostalCode:     94903
RegDate:        1997-06-23
Updated:        2023-06-06
OrgAdminHandle: ZC209-ARIN
OrgTechHandle:  ZC209-ARIN
OrgAbuseHandle: ZC209-ARIN
Source:         ARIN





OrgAdminHandle:       ZC209-ARIN
OrgAdminName:          County of Marin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZC209-ARIN
OrgTechName:           County of Marin
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ZC209-ARIN
OrgAbuseName:          County of Marin
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           JN1916-ARIN
TechName:             Jan Nakashige
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-04T03:24:53Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-comcast-edia	2772