AS5653 University of California San Francisco

UCSF

IPv4 Addresses: 196,608

Number of Peers: 3

Number of Prefixes: 18

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS5653 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS5653 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

tom.chen@ucsf.edu

steve.young@ucsf.edu

security@ucsf.edu

tef@cgl.ucsf.edu

Abuse Contacts:

security@ucsf.edu

Address:

Room 602,

1855 Folsom Street,

San Francisco,

CA,

94143-0225,

IPv4 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
64.54.0.0/16	University of California San Francisco	64.54.0.0/16	ARIN
64.54.4.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.6.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.9.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.17.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.18.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.128.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.149.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.162.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.192.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.193.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.195.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.196.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.197.0/24	University of California San Francisco	64.54.0.0/16	ARIN
64.54.201.0/24	University of California San Francisco	64.54.0.0/16	ARIN
128.218.0.0/16	University of California San Francisco	128.218.0.0/16	ARIN
169.230.0.0/16	University of California - Office of the President	169.230.0.0/15	ARIN
169.230.239.0/24	University of California - Office of the President	169.230.0.0/15	ARIN

IPv4 Peers

ASN	Name	Description
AS2152	CENIC-2152	CENIC
AS2153	CENIC-2153	CENIC
AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstreams

Country	ASN	Name	Description
	AS2152	CENIC-2152	CENIC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

#
# 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.
#


ASNumber:       5653
ASName:         UCSF
ASHandle:       AS5653
RegDate:        1995-07-27
Updated:        2023-08-31    
Ref:            https://rdap.arin.net/registry/autnum/5653


OrgName:        University of California San Francisco
OrgId:          UCSF-Z
Address:        Room 602
Address:        1855 Folsom Street
City:           San Francisco
StateProv:      CA
PostalCode:     94143-0225
Country:        US
RegDate:        2023-08-22
Updated:        2023-08-22
Ref:            https://rdap.arin.net/registry/entity/UCSF-Z


OrgTechHandle: CHENT14-ARIN
OrgTechName:   Chen, Tom 
OrgTechPhone:  +1-415-860-4051 
OrgTechEmail:  tom.chen@ucsf.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/CHENT14-ARIN

OrgTechHandle: YOUNG1436-ARIN
OrgTechName:   Young, Steve 
OrgTechPhone:  +1-415-716-5570 
OrgTechEmail:  steve.young@ucsf.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/YOUNG1436-ARIN

OrgAbuseHandle: UIISS-ARIN
OrgAbuseName:   UCSF ITS Information Security Services
OrgAbusePhone:  +1-415-514-4100 
OrgAbuseEmail:  security@ucsf.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UIISS-ARIN

RTechHandle: TF6-ARIN
RTechName:   Ferrin, Thomas 
RTechPhone:  +1-415-509-7592 
RTechEmail:  TEF@cgl.ucsf.edu
RTechRef:    https://rdap.arin.net/registry/entity/TF6-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.
#

Country	IX	Name	IPv4	IPv6	Port Speed

AS5653 University of California San Francisco

UCSF

AS5653 Summary

Regional Registry:

Allocation Status:

AS5653 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

Abuse Contacts:

Address:

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