AS7377 - UCSD - University of California, San Diego, US

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AS Number
AS7377
AS Name
UCSD
Org Name
University of California, San Diego
Country / Region
United States
Registry

arin

RegDate

2023-08-23

Updated

2026-05-15

AS7377 Looking Glass
http://yo2tm.ampr.org/nettools.php
IPv4Prefixes

18

IPv6Prefixes

2

IPv4 NUMs

12,855,552

IPv6 NUMs(/64)

5,368,709,120

CIDR Description IP Num
44.0.0.0/9
IRR Valid
Amateur Radio Digital Communications 8388608
44.128.0.0/10
IRR Valid
Amateur Radio Digital Communications 4194304
69.166.11.0/24
IRR Valid
RGnet, LLC 256
69.196.32.0/20
IRR Valid
The Regents of the University of California - University of California, San Diego. 4096
69.196.32.0/19
IRR InValid
The Regents of the University of California - University of California, San Diego. 8192
69.196.40.0/24
IRR Parent Valid
The Regents of the University of California - University of California, San Diego. 256
128.54.0.0/16
IRR Valid
University of California, San Diego 65536
132.239.0.0/16
IRR Valid
University of California, San Diego 65536
137.110.0.0/16
IRR Valid
University of California, San Diego 65536
169.228.0.0/16
IRR Valid
University of California, San Diego 65536
192.135.237.0/24
IRR Valid
Marine Physical Lab/UCSD 256
192.135.238.0/24
IRR Valid
Marine Physical Lab/UCSD 256
192.154.1.0/24
IRR Valid
University of California at San Diego 256
198.134.135.0/24
IRR Valid
University of California, San Diego 256
207.34.0.0/24
IRR Valid
RGnet, LLC 256
216.21.14.0/24
IRR Valid
RGnet, LLC 256
216.151.34.0/24
IRR Valid
RGnet, LLC 256
216.151.38.0/24
IRR Valid
RGnet, LLC 256
CIDR Description IP NUMs(prefix /64)
2001:48d0:c000::/34
IRR Valid
San Diego Supercomputer Center 1073741824
2607:f720::/32
IRR Valid
University of California, San Diego 4294967296
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 IPv6 IPv6
AS2153 CENIC-2153 - CENIC, US United States 4,608 16,842,752 IPv4 IPv4 IPv6 IPv6
AS153 CTNOSC-ASN-153 - Headquarters, USAISC, US United States 256 16,908,288 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS26397 OPTIPUTER - The Regents of the University of California - University of California, San Diego., US United States 8,960 33 IPv4 IPv4 IPv6 IPv6 
ASNumber:       7377
ASName:         UCSD
ASHandle:       AS7377
RegDate:        1996-11-25
Updated:        2023-12-19
Ref:            https://rdap.arin.net/registry/autnum/7377

OrgID:          UCSD-1-Z
OrgName:        University of California, San Diego
CanAllocate:    
Street:         IT Services
Street:         9500 Gilman Dr, #0903
Street:         Attn: Hostmaster
City:           La Jolla
State/Prov:     CA
Country:        US
PostalCode:     92093-0903
RegDate:        2023-08-23
Updated:        2026-05-15
OrgNOCHandle    NOC1807-ARIN
OrgRoutingHandle NOC1807-ARIN
OrgDNSHandle    NOC1807-ARIN
OrgAdminHandle  NOC1807-ARIN
OrgTechHandle   NOC1807-ARIN
OrgAbuseHandle  NOC1807-ARIN
OrgAbuseHandle  UNA13-ARIN
Source:         ARIN

OrgAdminHandleHandle:  NOC1807-ARIN
OrgAdminHandleName:    Network Operations Center, 
OrgAdminHandlePhone:   +1-858-822-0249
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgTechHandleHandle:  NOC1807-ARIN
OrgTechHandleName:    Network Operations Center, 
OrgTechHandlePhone:   +1-858-822-0249
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgAbuseHandleHandle:  NOC1807-ARIN
OrgAbuseHandleName:    Network Operations Center, 
OrgAbuseHandlePhone:   +1-858-822-0249
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgAbuseHandleHandle:  UNA13-ARIN
OrgAbuseHandleName:    UCSD Network Abuse, 
OrgAbuseHandlePhone:   +1-858-822-0249
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/UNA13-ARIN

OrgNOCHandleHandle:  NOC1807-ARIN
OrgNOCHandleName:    Network Operations Center, 
OrgNOCHandlePhone:   +1-858-822-0249
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgRoutingHandleHandle:  NOC1807-ARIN
OrgRoutingHandleName:    Network Operations Center, 
OrgRoutingHandlePhone:   +1-858-822-0249
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgDNSHandleHandle:  NOC1807-ARIN
OrgDNSHandleName:    Network Operations Center, 
OrgDNSHandlePhone:   +1-858-822-0249
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/NOC1807-ARIN