AS Name
UCSD
Org Name
University of California, San Diego
Registry Region
United States
IPv4Prefixes

21

IPv6Prefixes

2

IPv4 NUMs

12,855,552

IPv6 NUMs(/64)

5,368,709,120

12,855,552 IPv4 Addresses
CIDR Description IP Num
44.0.0.0/9 Amateur Radio Digital Communications 8388608
44.128.0.0/10 Amateur Radio Digital Communications 4194304
69.166.11.0/24 RGnet, LLC 256
69.196.32.0/20 The Regents of the University of California - University of California, San Diego. 4096
69.196.32.0/19 The Regents of the University of California - University of California, San Diego. 8192
128.54.0.0/24 University of California, San Diego 256
128.54.0.0/16 University of California, San Diego 65536
132.239.0.0/24 University of California, San Diego 256
132.239.0.0/16 University of California, San Diego 65536
137.110.0.0/24 University of California, San Diego 256
137.110.0.0/16 University of California, San Diego 65536
169.228.0.0/24 University of California, San Diego 256
169.228.0.0/16 University of California, San Diego 65536
192.135.237.0/24 Marine Physical Lab/UCSD 256
192.135.238.0/24 Marine Physical Lab/UCSD 256
192.154.1.0/24 University of California at San Diego 256
198.134.135.0/24 University of California, San Diego 256
207.34.0.0/24 RGnet, LLC 256
216.21.14.0/24 RGnet, LLC 256
216.151.34.0/24 RGnet, LLC 256
216.151.38.0/24 RGnet, LLC 256
CIDR Description IP NUMs(prefix /64)
2001:48d0:c000::/34 San Diego Supercomputer Center 1073741824
2607:f720::/32 University of California, San Diego 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2152 CSUNET-NW - California State University, Office of the Chancellor, US United States 2,083,840 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2153 CSUNET-NE - California State University, Office of the Chancellor, US United States 1,280 16,777,216 IPv4 IPv4 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 0 IPv4 IPv4
ASNumber:       7377
ASName:         UCSD
ASHandle:       AS7377
RegDate:        1996-11-25
Updated:        2016-01-15    
Ref:            https://rdap.arin.net/registry/autnum/7377


OrgName:        University of California, San Diego
OrgId:          UCSD-1
Address:        IT Services
Address:        9500 Gilman Dr, #0903
Address:        Attn: Hostmaster
City:           La Jolla
StateProv:      CA
PostalCode:     92093-0903
Country:        US
RegDate:        1984-08-24
Updated:        2019-07-15
Comment:        Please use '[email protected]' for content complaints;
Comment:        use '[email protected]' to report scans, probes and other
Comment:        security issues.
Ref:            https://rdap.arin.net/registry/entity/UCSD-1


OrgTechHandle: NOC1807-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-858-822-4040 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN

OrgAbuseHandle: ABUSE878-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-858-534-6350 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE878-ARIN

OrgNOCHandle: NOC1807-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-858-822-4040 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN