AS Number
AS25
AS Name
UCB
Org Name
University of California at Berkeley
Country / Region
United States
Registry

arin

RegDate

2010-01-13

Updated

2023-07-20

AS25 Looking Glass
IPv4Prefixes

17

IPv6Prefixes

1

IPv4 NUMs

202,242

IPv6 NUMs(/64)

4,294,967,296

202,242 IPv4 Addresses
CIDR Description IP Num
67.21.36.0/24
IRR Valid
ICSI 256
128.32.0.0/24
IRR Parent Valid
University of California at Berkeley 256
128.32.0.0/16
IRR Valid
University of California at Berkeley 65536
136.152.0.0/24
IRR Parent Valid
University of California at Berkeley 256
136.152.0.0/16
IRR Valid
University of California at Berkeley 65536
137.164.50.20/31
IRR InValid
CENIC 2
169.229.0.0/24
IRR Parent Valid
University of California at Berkeley 256
169.229.0.0/16
IRR Valid
University of California at Berkeley 65536
169.236.240.0/21
IRR Valid
University of California, Merced 2048
192.12.234.0/24
IRR Valid
University of California at Berkeley 256
192.31.105.0/24
IRR Valid
University of California at Berkeley 256
192.35.209.0/24
IRR Valid
University of California - Office of the President 256
192.150.186.0/23
IRR Valid
University of California at Berkeley 512
192.154.4.0/23
IRR InValid
University of California at Berkeley 512
192.154.6.0/24
IRR Valid
University of California at Berkeley 256
208.68.240.0/22
IRR Valid
SETIATHOME 1024
209.129.246.0/24
IRR InValid
East Bay Community Law Center 256
CIDR Description IP NUMs(prefix /64)
2607:f140::/32
IRR Valid
University of California at Berkeley 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2152 CSUNET-NW - California State University, Office of the Chancellor, US United States 2,078,016 4,294,967,296 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
67.21.36.2 1 researchscanner02.eecs.berkeley.edu
67.21.36.5 1 researchscanner05.eecs.berkeley.edu
67.21.36.221 1 researchscanner221.eecs.berkeley.edu
67.21.36.241 1 researchscan1.eecs.berkeley.edu
ASNumber:       25
ASName:         UCB
ASHandle:       AS25
RegDate:        1984-08-03
Updated:        2023-12-14
Comment:        DMCA Designated Agent is policy@berkeley.edu    
Ref:            https://rdap.arin.net/registry/autnum/25


OrgName:        University of California at Berkeley
OrgId:          UCAB-1-Z
Address:        IST - Telecommunications
Address:        ATTN Network Services and Operations
Address:        2850 Telegraph Ave
Address:        NOTE See Comment for DMCA INFO
City:           Berkeley
StateProv:      CA
PostalCode:     94705
Country:        US
RegDate:        2010-01-13
Updated:        2023-07-20
Comment:        DMCA Designated Agent is dmca@berkeley.edu
Ref:            https://rdap.arin.net/registry/entity/UCAB-1-Z


OrgNOCHandle: UCB-NOC-ARIN
OrgNOCName:   IST Communication and Network Services
OrgNOCPhone:  +1-510-664-9000 
OrgNOCEmail:  noc@berkeley.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

OrgTechHandle: UCB-NOC-ARIN
OrgTechName:   IST Communication and Network Services
OrgTechPhone:  +1-510-664-9000 
OrgTechEmail:  noc@berkeley.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

OrgAbuseHandle: UCBSE-ARIN
OrgAbuseName:   UCB-SECURIT-ARIN
OrgAbusePhone:  +1-510-664-9000 
OrgAbuseEmail:  abuse@security.berkeley.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UCBSE-ARIN

RNOCHandle: UCB-NOC-ARIN
RNOCName:   IST Communication and Network Services
RNOCPhone:  +1-510-664-9000 
RNOCEmail:  noc@berkeley.edu
RNOCRef:    https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

RTechHandle: UCB-NOC-ARIN
RTechName:   IST Communication and Network Services
RTechPhone:  +1-510-664-9000 
RTechEmail:  noc@berkeley.edu
RTechRef:    https://rdap.arin.net/registry/entity/UCB-NOC-ARIN