AS25 University of California at Berkeley

UCB

IPv4 Addresses: 202,240

Number of Peers: 2

Number of Prefixes: 14

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Graphs
World Map
Raw Whois

AS25 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

AS25 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

policy@berkeley.edu

dmca@berkeley.edu

noc@berkeley.edu

abuse@security.berkeley.edu

Abuse Contacts:

abuse@security.berkeley.edu

Address:

IST - Telecommunications,

ATTN Network Services and Operations,

2850 Telegraph Ave,

NOTE See Comment for DMCA INFO,

Berkeley,

CA,

94705,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
67.21.36.0/24	RGnet, LLC	67.21.36.0/24	ARIN
128.32.0.0/16	University of California at Berkeley	128.32.0.0/16	ARIN
136.152.0.0/16	University of California at Berkeley	136.152.0.0/16	ARIN
169.229.0.0/16	University of California - Office of the President	169.229.0.0/16	ARIN
169.236.240.0/21	University of California, Merced	169.236.0.0/15	ARIN
192.12.234.0/24	University of California at Berkeley	192.12.234.0/24	ARIN
192.31.105.0/24	University of California at Berkeley	192.31.105.0/24	ARIN
192.35.209.0/24	University of California - Office of the President	192.35.209.0/24	ARIN
192.150.186.0/23	Various Registries (Maintained by ARIN)	192.150.186.0/24	ARIN
192.154.4.0/23	Various Registries (Maintained by ARIN)	192.154.4.0/24	ARIN
192.154.6.0/24	University of California at Berkeley	192.154.6.0/24	ARIN
208.68.240.0/22	SETIATHOME	208.68.240.0/22	ARIN
209.129.246.0/24	East Bay Community Law Center	209.129.0.0/16	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2607:f140::/32	University of California at Berkeley		2607:f140::/32	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS2152	CENIC-2152	CENIC

Country	ASN	Name	Description	IPv4
	AS2152	CENIC-2152	CENIC

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS2152	CENIC-2152	CENIC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS2152	CENIC-2152	CENIC

IPv6 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:       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

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

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

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

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


#
# 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