AS11212 COUNTY OF SONOMA

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	12.202.169.0/24	COUNTY OF SONOMA33500697		12.0.0.0/8	ARIN
	50.233.206.0/23	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	209.77.204.0/24	Sonoma County		209.76.0.0/14	ARIN

• IPv4 Peers

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

• IPv4 Upstreams

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

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
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# available at: https://www.arin.net/resources/registry/whois/tou/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       11212
ASName:         COUNTY-OF-SONOMA
ASHandle:       AS11212
RegDate:        2007-05-21
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/11212


OrgName:        COUNTY OF SONOMA
OrgId:          COUNT-45
Address:        585 FISCAL DR
City:           SANTA ROSA
StateProv:      CA
PostalCode:     95403
Country:        US
RegDate:        2007-04-17
Updated:        2023-09-27
Ref:            https://rdap.arin.net/registry/entity/COUNT-45


OrgAbuseHandle: BTO34-ARIN
OrgAbuseName:   Toyoda, Ben 
OrgAbusePhone:  +1-707-565-2713 
OrgAbuseEmail:  btoyoda@sonoma-county.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BTO34-ARIN

OrgAbuseHandle: ISO29-ARIN
OrgAbuseName:   Information Security Officer
OrgAbusePhone:  +1-707-565-5110 
OrgAbuseEmail:  iso@sonoma-county.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISO29-ARIN

OrgTechHandle: BTO34-ARIN
OrgTechName:   Toyoda, Ben 
OrgTechPhone:  +1-707-565-2713 
OrgTechEmail:  btoyoda@sonoma-county.org
OrgTechRef:    https://rdap.arin.net/registry/entity/BTO34-ARIN

OrgTechHandle: KAISE105-ARIN
OrgTechName:   Kaiser, Jonathan 
OrgTechPhone:  +1-707-565-2712 
OrgTechEmail:  jon.kaiser@sonoma-county.org
OrgTechRef:    https://rdap.arin.net/registry/entity/KAISE105-ARIN

RTechHandle: BTO34-ARIN
RTechName:   Toyoda, Ben 
RTechPhone:  +1-707-565-2713 
RTechEmail:  btoyoda@sonoma-county.org
RTechRef:    https://rdap.arin.net/registry/entity/BTO34-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.
#