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	Prefix	Description
	169.199.0.0/16	Contra Costa County Office of Education
	2607:fb78::/32	Contra Costa County Office of Education

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2152	CENIC - CalREN	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2152	CENIC - CalREN	✔	✔

ASHandle:       AS23309
OrgID:          CCCOE
ASName:         CCCOE-NET
ASNumber:       23309
RegDate:        2002-02-26
Updated:        2012-03-20
Source:         ARIN



OrgID:          CCCOE
OrgName:        Contra Costa County Office of Education
CanAllocate:    
Street:         77 Santa Barbara Road
Street:         Tech Services
City:           Pleasant Hill
State/Prov:     CA
Country:        US
PostalCode:     94523
RegDate:        1995-03-24
Updated:        2022-03-18
OrgAdminHandle: SAC62-ARIN
OrgTechHandle:  SAC62-ARIN
OrgTechHandle:  SANDE452-ARIN
OrgAbuseHandle: NASHS7-ARIN
OrgAbuseHandle: SAC62-ARIN
OrgAbuseHandle: SANDE452-ARIN
OrgNOCHandle:   SAC62-ARIN
OrgRoutingHandle:   SAC62-ARIN
OrgDNSHandle:   NASHS7-ARIN
OrgDNSHandle:   SAC62-ARIN
Source:         ARIN





OrgAdminHandle:       SAC62-ARIN
OrgAdminName:         Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SAC62-ARIN
OrgTechName:          Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SANDE452-ARIN
OrgTechName:          David Sanderson
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NASHS7-ARIN
OrgAbuseName:         Spencer Nash
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SAC62-ARIN
OrgAbuseName:         Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SANDE452-ARIN
OrgAbuseName:         David Sanderson
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         SAC62-ARIN
OrgNOCName:           Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     SAC62-ARIN
OrgRoutingName:       Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         NASHS7-ARIN
OrgDNSName:           Spencer Nash
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         SAC62-ARIN
OrgDNSName:           Scott Carpenter
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-08T03:27:48Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as198949:as-sd	3492
RADB	as-hurricanev6	21129
RADB	as23309:as-cone	1
LEVEL3	as-level3-origins-na	0
RADB	as-calren2	268