AS5653 - UCSF - University of California San Francisco, US

United States
AS Number
AS5653
AS Name
UCSF
Org Name
University of California San Francisco
Country / Region
United States
Registry

arin

RegDate

2023-08-22

Updated

2023-08-22

AS5653 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

0

IPv4 NUMs

196,608

IPv6 NUMs(/64)

0

CIDR Description IP Num
64.54.0.0/16
IRR InValid
University of California San Francisco 65536
64.54.4.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.6.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.17.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.18.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.128.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.149.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.162.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.192.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.193.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.195.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.196.0/24
IRR Parent Valid
University of California San Francisco 256
64.54.202.0/24
IRR Parent Valid
University of California San Francisco 256
128.218.0.0/16
IRR Valid
University of California San Francisco 65536
169.230.0.0/16
IRR Valid
University of California San Francisco 65536
169.230.239.0/24
IRR Parent Valid
University of California San Francisco 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2152 CENIC-2152 - CENIC, US United States 2,011,904 4,294,967,296 IPv4 IPv4
AS2153 CENIC-2153 - CENIC, US United States 4,608 16,842,752 IPv4 IPv4

Whois Record

ASNumber 5653

ASNumber
5653
ASName
UCSF
ASHandle
RegDate
1995-07-27
Updated
2026-02-26
Ref
https://rdap.arin.net/registry/autnum/5653

OrgID UCSF-Z

OrgID
UCSF-Z
OrgName
University of California San Francisco
CanAllocate
Street
Room 602
1855 Folsom Street
City
San Francisco
State/Prov
CA
Country
US
PostalCode
94143-0225
RegDate
2023-08-22
Updated
2023-08-22
OrgAdminHandle
CHENT14-ARIN
OrgTechHandle
CHENT14-ARIN
YOUNG1436-ARIN
OrgAbuseHandle
UIISS-ARIN
Source
ARIN

OrgAdminHandleHandle CHENT14-ARIN

OrgAdminHandleHandle
CHENT14-ARIN
OrgAdminHandleName
Chen, Tom
OrgAdminHandlePhone
+1-415-353-3990
OrgAdminHandleEmail
tom.chen@ucsf.edu
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/CHENT14-ARIN

OrgTechHandleHandle CHENT14-ARIN

OrgTechHandleHandle
CHENT14-ARIN
OrgTechHandleName
Chen, Tom
OrgTechHandlePhone
+1-415-353-3990
OrgTechHandleEmail
tom.chen@ucsf.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/CHENT14-ARIN

OrgTechHandleHandle YOUNG1436-ARIN

OrgTechHandleHandle
YOUNG1436-ARIN
OrgTechHandleName
Young, Steve
OrgTechHandlePhone
+1-415-476-0869
OrgTechHandleEmail
steve.young@ucsf.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/YOUNG1436-ARIN

OrgAbuseHandleHandle UIISS-ARIN

OrgAbuseHandleHandle
UIISS-ARIN
OrgAbuseHandleName
UCSF ITS Information Security Services,
OrgAbuseHandlePhone
+1-415-514-4100
OrgAbuseHandleEmail
security@ucsf.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/UIISS-ARIN
 

ASNumber:       5653
ASName:         UCSF
ASHandle:       AS5653
RegDate:        1995-07-27
Updated:        2026-02-26
Ref:            https://rdap.arin.net/registry/autnum/5653

OrgID:          UCSF-Z
OrgName:        University of California San Francisco
CanAllocate:    
Street:         Room 602
Street:         1855 Folsom Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94143-0225
RegDate:        2023-08-22
Updated:        2023-08-22
OrgAdminHandle  CHENT14-ARIN
OrgTechHandle   CHENT14-ARIN
OrgTechHandle   YOUNG1436-ARIN
OrgAbuseHandle  UIISS-ARIN
Source:         ARIN

OrgAdminHandleHandle:  CHENT14-ARIN
OrgAdminHandleName:    Chen, Tom
OrgAdminHandlePhone:   +1-415-353-3990
OrgAdminHandleEmail:   tom.chen@ucsf.edu
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/CHENT14-ARIN

OrgTechHandleHandle:  CHENT14-ARIN
OrgTechHandleName:    Chen, Tom
OrgTechHandlePhone:   +1-415-353-3990
OrgTechHandleEmail:   tom.chen@ucsf.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/CHENT14-ARIN

OrgTechHandleHandle:  YOUNG1436-ARIN
OrgTechHandleName:    Young, Steve
OrgTechHandlePhone:   +1-415-476-0869
OrgTechHandleEmail:   steve.young@ucsf.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/YOUNG1436-ARIN

OrgAbuseHandleHandle:  UIISS-ARIN
OrgAbuseHandleName:    UCSF ITS Information Security Services, 
OrgAbuseHandlePhone:   +1-415-514-4100
OrgAbuseHandleEmail:   security@ucsf.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/UIISS-ARIN