AS10309 County of Marin

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	107.0.46.0/23	Comcast Cable Communications, LLC		107.0.0.0/14	ARIN
	199.88.64.0/21	County of Marin		200.98.0.0/16	Lacnic
	199.88.72.0/22	County of Marin		199.88.64.0/18	ARIN
	199.88.76.0/23	County of Marin		199.88.64.0/18	ARIN
	199.88.79.0/24	County of Marin		199.88.64.0/18	ARIN
	199.88.80.0/21	County of Marin		199.88.64.0/18	ARIN
	199.88.88.0/22	County of Marin		199.88.64.0/18	ARIN
	199.88.113.0/24	County of Marin		199.88.64.0/18	ARIN
	199.88.114.0/23	County of Marin		199.88.64.0/18	ARIN
	199.88.116.0/23	County of Marin		199.88.64.0/18	ARIN
	199.88.118.0/24	County of Marin		199.88.64.0/18	ARIN
	199.88.120.0/23	County of Marin		200.61.160.0/19	Lacnic

• IPv4 Peers

Country	ASN	Name	Description
	AS33651	CMCS	Comcast Cable Communications, LLC
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS33667	CMCS	Comcast Cable Communications, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS33651	CMCS	Comcast Cable Communications, LLC
	AS33667	CMCS	Comcast Cable Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       10309
ASName:         MARIN-MIDAS
ASHandle:       AS10309
RegDate:        1997-06-23
Updated:        1997-06-23    
Ref:            https://rdap.arin.net/registry/autnum/10309


OrgName:        County of Marin
OrgId:          COUNTY-59
Address:        3501 Cicic Center Dr
City:           San Rafael
StateProv:      CA
PostalCode:     94903
Country:        US
RegDate:        1997-06-23
Updated:        2023-06-06
Ref:            https://rdap.arin.net/registry/entity/COUNTY-59


OrgAbuseHandle: ZC209-ARIN
OrgAbuseName:   County of Marin
OrgAbusePhone:  +1-415-473-7827 
OrgAbuseEmail:  jason.balderama@marincounty.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZC209-ARIN

OrgTechHandle: ZC209-ARIN
OrgTechName:   County of Marin
OrgTechPhone:  +1-415-473-7827 
OrgTechEmail:  jason.balderama@marincounty.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/ZC209-ARIN

RTechHandle: JN1916-ARIN
RTechName:   Nakashige, Jan 
RTechPhone:  +1-415-499-6302 
RTechEmail:  jnakashi@marin.org
RTechRef:    https://rdap.arin.net/registry/entity/JN1916-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#