ASN Lookup Tool

CENIC cenic.org US US 746 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 726
Number of IPv6 Routes 20
ASN type ISP
Registry ARIN
Date Allocated 2024-07-08

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

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IP Ranges

Route # IPs
207.62.254.0/23 512
198.189.195.0/24 256
207.62.8.0/23 512
205.154.223.0/24 256
198.189.73.0/24 256
207.233.0.0/17 32768
209.129.85.0/24 256
137.145.150.0/24 256
209.129.8.0/24 256
209.129.44.0/24 256
198.189.56.0/23 512
198.189.28.0/22 1024
198.188.34.0/24 256
209.129.168.0/24 256
198.188.15.0/24 256
205.155.76.0/24 256
198.189.248.0/23 512
137.164.241.0/24 256
137.164.144.0/21 2048
207.62.189.0/24 256
198.189.135.0/24 256
207.62.144.0/21 2048
205.155.190.0/23 512
209.129.47.0/24 256
2607:f380:a61::/48 ~1×10²⁴
192.111.213.0/24 256
205.155.106.0/24 256
137.164.117.0/24 256
198.189.200.0/24 256
205.155.180.0/22 1024
137.145.199.0/24 256
137.164.0.0/16 65536
204.48.133.0/24 256
134.154.1.0/24 256
207.233.29.0/24 256
205.154.253.0/24 256
137.145.36.0/24 256
198.189.124.0/24 256
207.62.197.0/24 256
204.75.255.0/24 256
137.164.22.0/24 256
134.154.222.0/24 256
207.233.28.0/24 256
205.155.161.0/24 256
198.189.6.0/24 256
137.145.35.0/24 256
198.188.251.0/24 256
160.227.128.0/17 32768
198.189.21.0/24 256
204.75.254.0/24 256
137.145.168.0/23 512
207.233.73.0/24 256
209.129.180.0/22 1024
198.189.125.0/24 256
198.189.159.0/24 256
205.155.100.0/22 1024
198.49.104.0/24 256
204.102.2.0/23 512
137.164.116.0/24 256
198.189.180.0/24 256

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
AS2906 Netflix Streaming Services Inc. US
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
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS396310 San Diego State University US
AS32361 UltraLight US
AS6492 Palomar Community College District US
AS7941 Internet Archive US
AS21545 Kings County Office of Education US
AS46290 MtSAC US
AS16509 Amazon.com, Inc. US
AS393425 California Academy of Sciences 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
AS6192 University of California, Davis US
AS395148 PACIFIC LIGHTWAVE, A CALIFORNIA CORPORATION US
AS14213 Monterey County Office of Education US
AS11983 Tiktok U.S. Data Security Inc. US
AS36692 Cisco OpenDNS, LLC US
AS32590 Valve Corporation US
AS6507 Riot Games, Inc US
AS11164 Internet2 US
AS395226 Sacramento County Office of Education US
AS7960 California Polytechnic State University US
AS30193 Los Angeles Unified School District US
AS11293 University of California - Office of the President US
AS6106 University of California, Riverside US
AS257 Navy Network Information Center NNIC US
AS1828 Unitas Global US
AS6360 University of Hawaii US
AS3292 TDC Holding A/S DK
AS63435 County of Monterey US
AS40401 Backblaze Inc US
AS400452 University of California Davis Medical Center US
AS54825 Packet Host, Inc. US
AS22063 J. Paul Getty Trust US
AS2516 KDDI CORPORATION JP
AS14061 DigitalOcean, LLC US
AS19679 Dropbox, Inc. US
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
AS46985 The Regents of the University of California University of California, San Diego. US
AS22616 ZSCALER, INC. US
AS46985 The Regents of the University of California - University of California, San Diego. US
AS10867 Foothill DeAnza Community College District US

Upstreams

AS Number Description Country
AS2153 CENIC US
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
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

Contacts

Email Contacts

core-ext@lists.cenic.org

Abuse Contacts

abuse@cenic.org

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Frequently Asked Questions

ASN AS2152 is an Autonomous System Number used to identify a network for BGP internet routing.
AS2152 is listed under CENIC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.