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	Prefix	Description
	128.111.0.0/16	University of California, Santa Barbara
	169.231.0.0/16	University of California, Santa Barbara
	192.35.222.0/24	University of California, Santa Barbara
	192.150.216.0/23
	199.120.153.0/24	University of California, Santa Barbara
	2607:f378::/32	University of California, Santa Barbara

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Network Policy

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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	✔	✔
	AS2153	CENIC	✔	✘

ASHandle:       AS131
OrgID:          UCSB-Z
ASName:         UCSB-NET-AS
ASNumber:       131
RegDate:        1987-09-30
Updated:        2024-04-26
Source:         ARIN



OrgID:          UCSB-Z
OrgName:        University of California, Santa Barbara
CanAllocate:    
Street:         Office of Information Technology
Street:         North Hall 2124
City:           Santa Barbara
State/Prov:     CA
Country:        US
PostalCode:     93106-3201
RegDate:        2023-03-18
Updated:        2023-03-18
OrgAdminHandle: KS1217-ARIN
OrgTechHandle:  KS1217-ARIN
OrgAbuseHandle: NETWO4536-ARIN
Source:         ARIN





OrgAdminHandle:       KS1217-ARIN
OrgAdminName:         Kevin Schmidt
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        KS1217-ARIN
OrgTechName:          Kevin Schmidt
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO4536-ARIN
OrgAbuseName:          Network Security
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:38:19Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as174:as-cogc-004	45
RADB	as198949:as-sd	3770
RADB	as-hurricanev6	20157
RADB	as-ucnet	11
RADB	as16631:as-cogc-002	66
RADB	as-calren2	288
LEVEL3	as-level3-origins-na	0