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Organization

CENIC

IPv4 addresses
1,934,080
CIDR ranges
382
Category
enterprise
BGP prefixes announced
757

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Corporation for Education Network Initiatives in California

The Corporation for Education Network Initiatives in California is a nonprofit corporation formed in 1997 to provide high-performance, high-bandwidth networking services to California universities and research institutions. Through this corporation, representatives from all of California's K-20 public education combine their networking resources toward the operation, deployment, and maintenance of the California Research and Education Network, or CalREN.

Founded
1996
Headquarters
La Mirada

Operates 2 networks present at 8 internet exchanges with a selective peering policy.

CENIC — global IP footprint

Cities where CENIC has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by CENIC

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by CENIC

ASNNameIPsPrefixesCountry
AS2152 CENIC 1.89M 368 US
AS2153 CENIC 3.1K 9 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
130.65.0.0/16 65.5K
6.0%
AS2152 US California San Jose
130.157.0.0/16 65.5K
0.0%
AS2152 US California Rohnert Park
130.166.0.0/16 65.5K
0.3%
AS2152 US California Northridge
130.182.0.0/16 65.5K
0.6%
AS2152 US California Los Angeles
132.241.0.0/16 65.5K
0.0%
AS2152 US California Chico
134.139.0.0/16 65.5K
36.7%
AS2152 US California Long Beach
134.154.0.0/16 65.5K
0.0%
AS2152 US California Hayward
137.145.0.0/16 65.5K
0.1%
AS2152 US California Hermosa Beach
137.151.0.0/16 65.5K
4.2%
AS2152 US California Fullerton
139.182.0.0/16 65.5K
8.1%
AS2152 US California Riverside
144.37.0.0/16 65.5K
0.3%
AS2152 US California Escondido
146.244.0.0/16 65.5K
0.8%
AS2152 US California San Diego
147.144.0.0/16 65.5K
0.0%
AS2152 US California South San Francisco
155.135.0.0/16 65.5K
0.0%
AS2152 US California Long Beach
160.227.0.0/16 65.5K
0.2%
AS2152 US California Spring Valley
165.196.0.0/16 65.5K
0.8%
AS2152 US California Sacramento
130.17.128.0/17 32.8K
0.1%
AS852 US
130.191.128.0/17 32.8K
3.0%
AS2152 US California San Diego
130.212.128.0/17 32.8K
0.8%
AS2152 US California San Francisco
136.168.0.0/17 32.8K
41.8%
AS2152 US California Bakersfield
137.150.0.0/17 32.8K
0.2%
AS2152 US California Eureka
198.189.0.0/17 32.8K
1.5%
AS2152 US California Monterey
209.188.128.0/17 32.8K
0.0%
AS2152 US California Daly City
130.150.128.0/18 16.4K
0.0%
AS2152 US
130.212.0.0/18 16.4K
2.7%
AS2152 US California San Francisco
136.168.128.0/18 16.4K
3.9%
AS2152 US California Bakersfield
137.150.192.0/18 16.4K
0.0%
AS2152 US California Arcata
204.102.128.0/18 16.4K
0.2%
AS2152 US California Los Angeles
205.155.128.0/18 16.4K
14.0%
AS2152 US California Burnt Ranch
207.62.192.0/18 16.4K
2.2%
AS2152 US California Belmont
209.129.64.0/18 16.4K
3.8%
AS2152 US California San Francisco
209.129.128.0/18 16.4K
4.8%
AS2152 US California Saratoga
130.17.0.0/19 8.2K
37.9%
AS2152 US
130.17.96.0/19 8.2K
0.4%
AS852 US
130.150.32.0/19 8.2K
0.0%
AS2152 US
130.150.96.0/19 8.2K
0.0%
AS2152 US
130.191.0.0/19 8.2K
5.4%
AS2152 US California San Diego
130.191.64.0/19 8.2K
1.8%
AS2152 US California Spring Valley
130.212.64.0/19 8.2K
1.9%
AS2152 US California San Francisco
136.168.192.0/19 8.2K
11.2%
AS2152 US
137.150.160.0/19 8.2K
0.0%
AS2152 US California Oakley
137.164.160.0/19 8.2K
0.2%
AS2152 US California Truckee
198.188.96.0/19 8.2K
0.3%
AS2152 US California South Gate
204.102.64.0/19 8.2K
0.2%
AS2152 US California San Francisco
205.154.192.0/19 8.2K
1.9%
AS2152 US California Riverside
205.155.96.0/19 8.2K
0.2%
AS2152 US
205.155.192.0/19 8.2K
0.0%
AS2152 US California Chico
206.224.224.0/19 8.2K
0.3%
AS2152 US California Orange
207.233.0.0/19 8.2K
0.5%
AS2152 US California Hemet
207.233.64.0/19 8.2K
1.4%
AS2152 US California Long Beach
209.129.192.0/19 8.2K
0.3%
AS2152 US California Oakland
64.39.112.0/20 4.1K
0.0%
AS2152 US California Ukiah
130.17.16.0/20 4.1K
2.0%
AS2152 ES
130.150.16.0/20 4.1K
0.0%
AS2152 US
130.150.208.0/20 4.1K
0.0%
AS2152 US
130.150.224.0/20 4.1K
0.0%
AS2152 US
130.191.32.0/20 4.1K
4.4%
AS2152 US California Chula Vista
130.191.112.0/20 4.1K
3.1%
AS2152 US
130.212.96.0/20 4.1K
0.1%
AS2152 US
137.150.144.0/20 4.1K
1.3%
AS2152 US
137.164.0.0/20 4.1K
28.1%
AS2152 US California San Diego
137.164.32.0/20 4.1K
13.2%
AS2152 US California Alhambra
137.164.64.0/20 4.1K
0.1%
AS2152 US California Santa Ana
137.164.96.0/20 4.1K
0.5%
AS2152 US California Crescent City
137.164.144.0/20 4.1K
0.0%
AS2152 US California Alturas
137.164.192.0/20 4.1K
0.3%
AS2152 US California Tuolumne
137.164.240.0/20 4.1K
2.2%
AS2152 US California City of Angels
165.74.16.0/20 4.1K
0.1%
AS2152 US
198.188.32.0/20 4.1K
0.0%
AS2152 US California Los Angeles
198.188.64.0/20 4.1K
0.0%
AS2152 US
198.188.128.0/20 4.1K
0.1%
AS2152 US California Los Angeles
198.189.144.0/20 4.1K
13.7%
AS2152 US California Ukiah
198.189.160.0/20 4.1K
0.5%
AS2152 US
204.102.96.0/20 4.1K
4.2%
AS2152 US
204.102.208.0/20 4.1K
0.0%
AS2152 US California Glendale
204.102.240.0/20 4.1K
2.6%
AS2152 US California Alhambra
205.155.80.0/20 4.1K
4.6%
AS2152 US
207.62.16.0/20 4.1K
0.0%
AS2152 US California Templeton
207.62.48.0/20 4.1K
0.0%
AS2152 US
207.62.64.0/20 4.1K
2.9%
AS2152 US
207.62.128.0/20 4.1K
0.0%
AS2152 US
207.62.176.0/20 4.1K
1.2%
AS2152 US California Watsonville
207.233.48.0/20 4.1K
0.9%
AS2152 US California Santa Clarita
209.129.16.0/20 4.1K
1.3%
AS2152 US California San Diego
209.129.32.0/20 4.1K
1.9%
AS2152 US California Oceanside
76.78.96.0/21 2.0K
12.4%
AS2152 US
130.17.8.0/21 2.0K
64.1%
AS2152 ES
130.150.0.0/21 2.0K
0.0%
AS2152 US
130.150.192.0/21 2.0K
0.0%
AS2152 US
130.150.248.0/21 2.0K
0.0%
AS2152 US
130.191.56.0/21 2.0K
1.6%
AS2152 US
130.191.104.0/21 2.0K
2.3%
AS2152 US
136.168.224.0/21 2.0K
4.1%
AS2152 US
136.168.248.0/21 2.0K
5.7%
AS2152 US
137.150.128.0/21 2.0K
0.0%
AS2152 US
137.164.56.0/21 2.0K
10.9%
AS2152 US
137.164.88.0/21 2.0K
0.6%
AS2152 US California Eureka
137.164.128.0/21 2.0K
8.7%
AS2152 US
137.164.208.0/21 2.0K
0.0%
AS2152 US
137.164.232.0/21 2.0K
0.0%
AS2152 US California Lakeport

Frequently Asked Questions

How many IP addresses does CENIC own?

CENIC controls 1.93M IPv4 addresses distributed across 382 CIDR ranges. The organization is registered in United States.

What ASNs does CENIC operate?

CENIC operates 2 Autonomous Systems. Each ASN represents an independently routed network that CENIC manages for internet traffic delivery.

What type of organization is CENIC?

CENIC is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-18 11:25:31 UTC
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