ASN AS2152 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS2152?

AS2152 is listed under Corporation for Education Network Initiatives in California CENIC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS2152 Corporation for Education Network Initiatives in California CENIC

Corporation for Education Network Initiatives in California CENIC cenic.org

US 836 Routes

AS Data

AS2152

AS2152 – Corporation for Education Network Initiatives in California CENIC

AS Number	2152
AS Name	CENIC-2152
Organization	Corporation for Education Network Initiatives in California CENIC (cenic)
Country	US
Website	cenic.org
Number of IPv4 Routes	734
Number of IPv6 Routes	23
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2024-07-08

ASN Intelligence API for production workflows

Use ASN data for AS2152 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.129.95.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
209.129.14.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Chaffey CCD	256
198.189.142.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Santa Rosa Community College	256
207.166.62.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	El Dorado County Office of Education	256
2607:f380:8ac::/48	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	~1×10²⁴
137.145.130.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Office of the Chancellor	256
207.233.10.0/23	AS2152	Corporation for Education Network Initiatives in California CENIC	Kern Community College District	512
198.189.12.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Jose EverGreen Community College District	256
198.189.95.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Siskiyou COE	256
205.155.154.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Jose EverGreen Community College District	256
207.233.74.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Saddleback CCD	256
69.48.215.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Stanislaus	256
207.233.23.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Luis Obispo County SOS	256
137.145.184.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Office of the Chancellor	256
2607:f380:8c9:6::/64	AS2152	Corporation for Education Network Initiatives in California CENIC	San Joaquin Valley Library System	~18×10¹⁸
198.188.143.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
205.155.94.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Butte Community College District	256
136.228.176.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	LUSD	256
2607:f380:8c9:5::/64	AS2152	Corporation for Education Network Initiatives in California CENIC	San Joaquin Valley Library System	~18×10¹⁸
205.155.201.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
207.62.235.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
207.62.191.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Ohlone College Fremont Newark CC	256
205.155.155.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Jose EverGreen Community College District	256
137.145.180.0/22	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Office of the Chancellor	1024
2607:f380:8c9:9000::/52	AS2152	Corporation for Education Network Initiatives in California CENIC	San Joaquin Valley Library System	~76×10²¹
205.155.151.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	State Center Community College Dist.	256
207.62.209.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	California Community College Chancellor's Office	256
137.145.238.0/23	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Office of the Chancellor	512
198.189.0.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
204.102.8.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
144.37.128.0/17	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University San Marcos	32768
206.15.254.0/23	AS2152	Corporation for Education Network Initiatives in California CENIC	Nevada Union High School District	512
130.150.0.0/16	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Office of the Chancellor	65536
207.233.12.0/22	AS2152	Corporation for Education Network Initiatives in California CENIC	San Luis Obispo County SOS	1024
2607:f380:a61:103::/64	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University San Bernardino	~18×10¹⁸
205.154.154.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Mt. San Jacinto College	256
198.189.78.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
209.129.128.0/21	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	2048
207.233.41.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Los Angeles CCD Office	256
137.164.152.0/22	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	1024
130.191.0.0/16	AS2152	Corporation for Education Network Initiatives in California CENIC	San Diego State University	65536
207.62.240.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	CENIC	256
205.155.152.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	State Center Community College Dist.	256
207.233.16.0/21	AS2152	Corporation for Education Network Initiatives in California CENIC	San Luis Obispo County SOS	2048
137.164.220.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Amador County Unified School District	256
130.182.0.0/16	AS2152	Corporation for Education Network Initiatives in California CENIC	California State University, Los Angeles	65536
205.155.150.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	California Community College Chancellor's Office	256
207.233.123.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Taft College	256
205.155.96.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Butte Community College District	256
207.233.55.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	College of the Canyons	256
209.129.55.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Santa Barbara City College	256
198.189.148.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Kern Community College District	256
205.155.125.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Butte Community College District	256
205.154.89.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Diego County Library	256
205.155.153.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	San Jose EverGreen Community College District	256
207.62.192.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Ohlone College Fremont Newark CC	256
198.189.14.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Yosemite Community College District	256
198.189.162.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	State Center Community College District	256
205.155.104.0/23	AS2152	Corporation for Education Network Initiatives in California CENIC	Csu Chico	512
209.129.63.0/24	AS2152	Corporation for Education Network Initiatives in California CENIC	Cuesta College	256

Raw Whois Response

#
# 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.
#


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:  core-ext@lists.cenic.org
OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA63-ARIN

OrgAbuseHandle: ABUSE711-ARIN
OrgAbuseName:   CENIC Abuse
OrgAbusePhone:  +1-714-220-3494 
OrgAbuseEmail:  abuse@cenic.org
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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "2152",
    "as_handle" : "AS2152",
    "as_name" : "CENIC-2152",
    "tech_contacts" : [ "OPERA63-ARIN" ],
    "abuse_contacts" : [ "ABUSE711-ARIN" ],
    "date_created" : "2024-07-08",
    "date_updated" : "2024-07-08",
    "source" : "https://rdap.arin.net/registry/autnum/2152"
  } ],
  "organization" : {
    "handle" : "CENIC",
    "name" : "CENIC",
    "address" : [ "5757 Plaza Drive, Suite 205", "Cypress", "CA", "90630-5029", "US" ],
    "street" : "Plaza Drive",
    "city" : "Cypress",
    "state" : "CA",
    "zip_code" : "90630-5029",
    "country" : [ "US" ],
    "date_created" : "1998-08-18",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/CENIC",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "OPERA63-ARIN",
    "name" : "Admin Domain",
    "email" : [ "core-ext@lists.cenic.org" ],
    "phone" : [ "+1-714-220-3494" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA63-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE711-ARIN",
    "name" : "CENIC Abuse",
    "email" : [ "abuse@cenic.org" ],
    "phone" : [ "+1-714-220-3494" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE711-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS20115	Charter Communications LLC	US
AS31	California Institute of Technology	US
AS2906	Netflix Streaming Services Inc.	US
AS26492	VCCCD	US
AS6099	Alameda County Office of Education	US
AS26403	Madera County Office of Education	US
AS23369	Sonoma County Office of Education	US
AS23483	Shasta County Office of Education	US
AS2920	Los Angeles County Office of Education	US
AS25	University of California at Berkeley	US
AS396310	San Diego State University	US
AS14907	Wikimedia Foundation Inc.	US
AS6492	Palomar Community College District	US
AS32361	UltraLight	US
AS7941	Internet Archive	US
AS21545	Kings County Office of Education	US
AS46290	MtSAC	US
AS393425	California Academy of Sciences	US
AS16509	Amazon.com, Inc.	US
AS714	Apple Inc.	US
AS52	University of California, Los Angeles	US
AS6461	Zayo Bandwidth	US
AS11188	LOS ANGELES COUNTY INTERNAL SERVICESDIVISION	US
AS23024	Orange County Department of Education	US
AS396465	California State University, Sacramento	US
AS395148	PACIFIC LIGHTWAVE, A CALIFORNIA CORPORATION	US
AS6192	University of California, Davis	US
AS14213	Monterey County Office of Education	US
AS36692	Cisco OpenDNS, LLC	US
AS11983	Tiktok U.S. Data Security Inc.	US
AS32590	Valve Corporation	US
AS6507	Riot Games, Inc	US
AS11164	Internet2	US
AS30193	Los Angeles Unified School District	US
AS395226	Sacramento County Office of Education	US
AS7960	California Polytechnic State University	US
AS6106	University of California, Riverside	US
AS257	Navy Network Information Center NNIC	US
AS6360	University of Hawaii	US
AS1828	Unitas Global	US
AS3292	TDC Holding A/S	DK
AS63435	County of Monterey	US
AS40401	Backblaze Inc	US
AS400452	University of California Davis Medical Center	US
AS8151	Uninet S.A. de C.V.	MX
AS54825	Packet Host, Inc.	US
AS22063	J. Paul Getty Trust	US
AS132203	Shenzhen Tencent Computer Systems Company Limited	CN
AS14061	DigitalOcean, LLC	US
AS19679	Dropbox, Inc.	US
AS2516	KDDI CORPORATION	ZZ
AS7843	Charter Communications Inc	US
AS14041	University Corporation for Atmospheric Research	US
AS5783	Kern County Superintendent of Schools	US
AS54048	Vast Networks	US
AS13940	San Joaquin County Office of Education	US
AS24	National Aeronautics and Space Administration	US
AS46985	The Regents of the University of California University of California, San Diego.	US
AS22616	ZSCALER, INC.	US
AS10867	Foothill DeAnza Community College District	US

Upstreams

AS Number	Description	Country
AS2153	CENIC	US
AS2516	KDDI CORPORATION	ZZ
AS8220	COLT Technology Services Group Limited	GB
AS396450	Internet2	US
AS6939	Hurricane Electric LLC	US
AS11164	Internet2	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS26488	Santa Clara University	US
AS31	California Institute of Technology	US
AS22768	SYNERGY BROADBAND	US
AS26492	VCCCD	US
AS26066	Napa Valley Unified School District	US
AS46749	Stanford University	US
AS6099	Alameda County Office of Education	US
AS40498	New Mexico Lambda Rail, Inc.	US
AS26403	Madera County Office of Education	US
AS23369	Sonoma County Office of Education	US
AS23483	Shasta County Office of Education	US
AS2920	Los Angeles County Office of Education	US
AS25	University of California at Berkeley	US
AS23117	Imperial County Office of Education	US
AS25664	Solano County Office of Education	US
AS30679	California State Polytechnic University Pomona	US
AS396310	San Diego State University	US
AS195	San Diego Supercomputer Center	US
AS6492	Palomar Community College District	US
AS32361	UltraLight	US
AS7941	Internet Archive	US
AS21545	Kings County Office of Education	US
AS394435	Alameda County Library	US
AS46290	MtSAC	US
AS393425	California Academy of Sciences	US
AS52	University of California, Los Angeles	US
AS11188	LOS ANGELES COUNTY INTERNAL SERVICESDIVISION	US
AS14212	Santa Cruz County Office of Education	US
AS21708	San Diego County Office of Education	US
AS23024	Orange County Department of Education	US
AS396465	California State University, Sacramento	US
AS395148	PACIFIC LIGHTWAVE, A CALIFORNIA CORPORATION	US
AS6192	University of California, Davis	US
AS55032	The Jackson Laboratory	US
AS14213	Monterey County Office of Education	US
AS30193	Los Angeles Unified School District	US
AS395226	Sacramento County Office of Education	US
AS29878	Community Hospital of the Monterey Peninsula	US
AS7960	California Polytechnic State University	US
AS46750	Stanford University	US
AS6106	University of California, Riverside	US
AS257	Navy Network Information Center NNIC	US
AS6360	University of Hawaii	US
AS31764	OAKLAND UNIFIED SCHOOL DISTRICT	US
AS63435	County of Monterey	US
AS400452	University of California Davis Medical Center	US
AS299	University of California, Irvine	US
AS10294	Coast Community College District	US
AS18558	Riverside County Office of Education	US
AS17369	Chapman University	US
AS21694	Fresno County Office of Education	US
AS22063	J. Paul Getty Trust	US
AS5653	University of California San Francisco	US
AS11159	Los Angeles Public Library	US
AS32933	Ceres Unified School District	US
AS3734	Santa Clara County Office of Education	US
AS5739	University of California, Santa Cruz	US
AS5783	Kern County Superintendent of Schools	US
AS22315	San Bernardino County Superintendent of Schools	US
AS54048	Vast Networks	US