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

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS2152 CENIC | IPGeolocation.io

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CENIC cenic.org

US 704 Routes

AS Data

AS2152

AS2152 – CENIC

AS Number	2152
AS Name	CENIC-2152
Organization	CENIC(cenic)
Country	US
Website	cenic.org
Number of IPv4 Routes	685
Number of IPv6 Routes	19
ASN type	ISP
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.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
207.62.254.0/23	AS2152	CENIC	CENIC	512
198.189.195.0/24	AS2152	CENIC	Kern High School District	256
207.62.8.0/23	AS2152	CENIC	CENIC	512
205.154.223.0/24	AS2152	CENIC	CENIC	256
198.189.73.0/24	AS2152	CENIC	CENIC	256
207.233.0.0/17	AS2152	CENIC	San Luis Obispo County SOS	32768
209.129.85.0/24	AS2152	CENIC	CENIC	256
137.145.150.0/24	AS2152	CENIC	California State University, Office of the Chancellor	256
209.129.8.0/24	AS2152	CENIC	Riverside Community College	256
209.129.44.0/24	AS2152	CENIC	Southwestern 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

Peers

AS Number	Description	Country
AS20115	Charter Communications LLC	US
AS31	California Institute of Technology	US
AS9505	Chunghwa Telecom Co., Ltd.	TW
AS26492	VCCCD	US
AS6099	Alameda County Office of Education	US
AS23369	Sonoma County Office of Education	US
AS26403	Madera 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

Upstreams

AS Number	Description	Country
AS2153	CENIC	US
AS8220	COLT Technology Services Group Limited	GB
AS7575	Australian Academic and Research Network	AU
AS9505	Chunghwa Telecom Co., Ltd.	TW
AS396450	Internet2	US
AS6939	Hurricane Electric LLC	US
AS11164	Internet2	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS2516	KDDI CORPORATION	JP

Downstreams

AS Number	Description	Country
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