US
AS2152
CENIC-2152
CENIC · cenic.org
US ARIN Educational/Research Traffic1-5Tbps RatioHeavy Inbound Peering PolicySelective ScopeRegional IRRAS-CALRENDC Looking Glass
730
IPv4 Prefixes
23
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
7
IX Points
6
Facilities
3.5%
RPKI Valid Rate
IP Purity Address-space quality
Assessing the address space...
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Announced IP Prefixes 753
RPKI Valid 7 RPKI Invalid 0 Unsigned / Unknown 193 Sampled 200 / 753

IPv4 Prefixes 730

163.150.246.0/24198.32.248.0/24198.32.251.0/24198.137.152.0/24198.175.250.0/24198.188.0.0/16198.188.4.0/24198.188.13.0/24198.188.96.0/19198.188.251.0/24198.189.0.0/16198.189.4.0/24198.189.7.0/24198.189.12.0/24198.189.20.0/24198.189.26.0/24198.189.28.0/22198.189.48.0/22198.189.58.0/24198.189.64.0/24198.189.69.0/24198.189.70.0/24198.189.73.0/24198.189.74.0/23198.189.95.0/24198.189.96.0/20198.189.104.0/24198.189.123.0/24198.189.128.0/24198.189.131.0/24

IPv6 Prefixes 23

2607:f380:88c::/482607:f380:8a5::/482607:f380:8c4::/482607:f380:a54::/482607:f380:808::/482607:f380:828::/482607:f380:86c::/482607:f380:884::/482607:f380:890::/482607:f380:a41::/482607:f380:a62::/482607:f380:80c::/482607:f380:a44::/482607:f380:a5c::/482607:f380:a61::/482607:f380:a67::/482607:f380:874::/482607:f380:8ac::/482607:f380:a58::/482607:f380:80f::/482607:f380:868::/482607:f380:8c3::/482607:f380::/32
Facilities 6 Click a point on the map to locate a facility
NameCityCountry
Digital Realty SFO (200 Paul)San FranciscoUS
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan JoseUS
Equinix LA1 - Los AngelesLos AngelesUS
CoreSite - Los Angeles (LA1) One WilshireLos AngelesUS
Level(3) SunnyvaleSunnyvaleUS
Level(3) Los AngelesLos AngelesUS
Colocated Networks 30 Shared Data Center
ASNNameType Shared Facility
AS174 Cogent Communications, Inc. NSP 6/6
AS3257 GTT Communications (AS3257) NSP 5/6
AS43531 IX Reach NSP 4/6
AS23342 UnitedLayer LLC NSP 4/6
AS7922 Comcast Cable/DSL/ISP 4/6
AS6939 Hurricane Electric NSP 4/6
AS6461 Zayo NSP 4/6
AS4556 PacketFabric NSP 4/6
AS4455 BSO NSP 4/6
AS1828 Unitas Global NSP 4/6
AS1299 Arelion (Twelve99) NSP 4/6
AS396986 ByteDance Content 3/6
AS203391 ClouDNS Content 3/6
AS64289 Macarne - AS64289 NSP 3/6
AS62628 ZOOX Enterprise 3/6
AS58453 China Mobile International NSP 3/6
AS57976 Blizzard Entertainment Content 3/6
AS57463 NetIX Communications NSP 3/6
AS54113 Fastly, Inc. Content 3/6
AS54103 MOD Mission Critical NSP 3/6
Registration Info
AS Name
CALREN-DC
Organization
CENIC CalREN Digital California (DC)
Country/Region
US
Registration Date
2024-08-28T00:15:45Z
Update Date
2024-08-28T00:15:45Z
Raw Whois Data 
aut-num:        AS2152
as-name:        CALREN-DC
descr:          CENIC CalREN Digital California (DC)
admin-c:        DOMAI64-ARIN
tech-c:         OPERA63-ARIN
mnt-by:         MNT-CENIC
created:        2024-08-28T00:15:45Z
last-modified:  2024-08-28T00:15:45Z
source:         ARIN

aut-num:        AS2152
as-name:        CALREN-DC
descr:          CalREN-DC ASN
admin-c:        DN-2152
tech-c:         DN-2152
mnt-by:         MAINT-AS2150
changed:        [email protected] 20050916  #03:47:03(UTC)
source:         RADB
last-modified:  2023-11-13T15:39:36Z




--- ARIN Whois ---


#
# 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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber:       2152
ASName:         CENIC-2152
ASHandle:       AS2152
RegDate:        2024-07-08
Updated:        2024-07-08
Ref:            https://rdap.arin.net/registry/autnum/2152


OrgName:        CENIC
OrgId:          CENIC
Address:        5757 Plaza Drive, Suite 205
City:           Cypress
StateProv:      CA
PostalCode:     90630-5029
Country:        US
RegDate:        1998-08-18
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CENIC


OrgTechHandle: OPERA63-ARIN
OrgTechName:   Admin Domain
OrgTechPhone:  +1-714-220-3494 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA63-ARIN

OrgAbuseHandle: ABUSE711-ARIN
OrgAbuseName:   CENIC Abuse
OrgAbusePhone:  +1-714-220-3494 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE711-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

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