AS395323 County of San Mateo

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	204.114.32.0/19	County of San Mateo		204.114.32.0/19	ARIN
	204.114.32.0/20	County of San Mateo		204.114.32.0/19	ARIN
	204.114.48.0/20	County of San Mateo		204.114.32.0/19	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS33651	CMCS	Comcast Cable Communications, LLC
	AS33667	CMCS	Comcast Cable Communications, LLC
	AS11404	AS-WAVE-1	Wave Broadband

• IPv4 Upstreams

Country	ASN	Name	Description
	AS11404	AS-WAVE-1	Wave Broadband
	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/
#
# 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.
#


ASNumber:       395323
ASName:         SMC
ASHandle:       AS395323
RegDate:        2016-06-28
Updated:        2016-06-28    
Ref:            https://rdap.arin.net/registry/autnum/395323


OrgName:        County of San Mateo
OrgId:          CSM-13
Address:        455 County Government Center
City:           Redwood City
StateProv:      CA
PostalCode:     94063
Country:        US
RegDate:        1994-03-10
Updated:        2021-11-18
Ref:            https://rdap.arin.net/registry/entity/CSM-13


OrgAbuseHandle: CSMNS-ARIN
OrgAbuseName:   County of San Mate Network Service
OrgAbusePhone:  +1-650-995-3821 
OrgAbuseEmail:  ISD_Network@smcgov.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CSMNS-ARIN

OrgTechHandle: CSMNS-ARIN
OrgTechName:   County of San Mate Network Service
OrgTechPhone:  +1-650-995-3821 
OrgTechEmail:  ISD_Network@smcgov.org
OrgTechRef:    https://rdap.arin.net/registry/entity/CSMNS-ARIN

OrgNOCHandle: CSMNS-ARIN
OrgNOCName:   County of San Mate Network Service
OrgNOCPhone:  +1-650-995-3821 
OrgNOCEmail:  ISD_Network@smcgov.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/CSMNS-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.
#