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	Prefix	Description
	192.251.109.0/24	Department of Public Health
	204.68.210.0/24	Department of Public Health

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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	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✘

ASHandle:       AS394411
OrgID:          CCSF-1
ASName:         DPH-AS
ASNumber:       394411
RegDate:        2015-08-31
Updated:        2015-08-31
Source:         ARIN



OrgID:          CCSF-1
OrgName:        Department of Public Health
CanAllocate:    
Street:         EIS Networks, Department of Pubic
Street:         Health, 1380 Howard Street, 3rd Floor
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
RegDate:        1994-08-23
Updated:        2019-07-24
OrgAdminHandle: ISO22-ARIN
OrgTechHandle:  ISO22-ARIN
OrgAbuseHandle: ISO22-ARIN
OrgNOCHandle:   ISO22-ARIN
Source:         ARIN





OrgAdminHandle:       ISO22-ARIN
OrgAdminName:          It Security Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ISO22-ARIN
OrgTechName:           It Security Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ISO22-ARIN
OrgAbuseName:          It Security Operations
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ISO22-ARIN
OrgNOCName:            It Security Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:25:28Z UTC

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Member of the following AS-SETs

-	Member	ASN Count