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	Prefix	Description
	156.1.0.0/16	San Francisco Unified School District

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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:       AS22226
OrgID:          SFUSD
ASName:         SFUSD
ASNumber:       22226
RegDate:        2022-09-12
Comment:        Call us @ 415.241.6476 (Monday-Friday, 7:30am-5:30pm)
Comment:        Contact by email @ help@sfusd.edu
Comment:        Visit us @ 601 McAllister St, San Francisco, CA 94110
Updated:        2022-09-12
Source:         ARIN



OrgID:          SFUSD
OrgName:        San Francisco Unified School District
CanAllocate:    
Street:         555 Franklin St.
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94102
RegDate:        1991-10-29
Updated:        2023-12-22
OrgAdminHandle: NETWO9667-ARIN
OrgTechHandle:  NETWO9667-ARIN
OrgAbuseHandle: NETWO9667-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO9667-ARIN
OrgAdminName:          Network Team
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO9667-ARIN
OrgTechName:           Network Team
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO9667-ARIN
OrgAbuseName:          Network Team
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:25:11Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as198949:as-sd	3458
LEVEL3	as-sprint-origins	7309
RADB	as174:as-cogc-012	49
LEVEL3	as-level3-origins-na	0
RADB	as-calren2	263