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Organization

CENIC

IPv4 addresses
1,939,712
CIDR ranges
392
Category
enterprise
BGP prefixes announced
770

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 v1.2.0 — 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 1.90M 378 US
AS2153 CENIC 3.1K 9 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
137.150.0.0/15 131.1K
0.0%
AS2152 US California Arcata
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 Panorama City
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 Oakland
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 Redlands
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 San Francisco
155.135.0.0/16 65.5K
0.0%
AS2152 US California Carson
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
198.189.0.0/16 65.5K
0.0%
AS2152 US California Monterey
130.17.128.0/17 32.8K
0.1%
AS852 US
130.191.128.0/17 32.8K
3.0%
AS2152 US California La Mesa
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 Arcata
137.164.128.0/17 32.8K
0.0%
AS2152 US California Vallecito
198.188.128.0/17 32.8K
0.0%
AS2152 US California Los Angeles
198.189.0.0/17 32.8K
1.5%
AS2152 US California Monterey
205.155.128.0/17 32.8K
0.0%
AS2152 US California Burnt Ranch
207.62.128.0/17 32.8K
0.0%
AS2152 US California Fremont
207.233.0.0/17 32.8K
0.0%
AS2152 US California Winchester
209.188.128.0/17 32.8K
0.0%
AS2152 US California San Francisco
130.150.0.0/18 16.4K
0.0%
AS2152 US
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
198.188.64.0/18 16.4K
0.0%
AS2152 US California Los Angeles
204.102.64.0/18 16.4K
0.0%
AS2152 US California San Francisco
204.102.128.0/18 16.4K
0.2%
AS2152 US California Los Angeles
205.155.0.0/18 16.4K
0.0%
AS2152 US California Aptos
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 Gilroy
209.129.64.0/18 16.4K
3.8%
AS2152 US California Camarillo
209.129.128.0/18 16.4K
4.8%
AS2152 US California San Jose
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
137.164.0.0/19 8.2K
0.0%
AS2152 US California Pala
137.164.96.0/19 8.2K
0.0%
AS2152 US California Crescent City
137.164.160.0/19 8.2K
0.2%
AS2152 US California Truckee
198.188.0.0/19 8.2K
0.0%
AS2152 US California Gardena
198.188.96.0/19 8.2K
0.3%
AS2152 US California Marina del Rey
204.102.64.0/19 8.2K
0.2%
AS2152 US California San Francisco
204.102.192.0/19 8.2K
0.0%
AS2152 US California Salinas
205.154.0.0/19 8.2K
0.0%
AS2152 US California Pasadena
205.154.160.0/19 8.2K
0.0%
AS2152 US California Santa Monica
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 Garden Grove
207.62.32.0/19 8.2K
0.0%
AS2152 US California Modesto
207.233.0.0/19 8.2K
0.5%
AS2152 US California Winchester
207.233.64.0/19 8.2K
1.4%
AS2152 US California Long Beach
209.129.32.0/19 8.2K
0.0%
AS2152 US California Carlsbad
209.129.192.0/19 8.2K
0.3%
AS2152 US California Mountain House
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
136.168.224.0/20 4.1K
0.0%
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 Susanville
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 Vallecito
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
204.102.16.0/20 4.1K
0.0%
AS2152 US
204.102.32.0/20 4.1K
0.0%
AS2152 US California Fullerton
204.102.96.0/20 4.1K
4.2%
AS2152 US
204.102.208.0/20 4.1K
0.0%
AS2152 US California La Crescenta
204.102.240.0/20 4.1K
2.6%
AS2152 US California San Fernando
205.154.48.0/20 4.1K
0.0%
AS2152 US
205.154.160.0/20 4.1K
0.0%
AS2152 US

Frequently Asked Questions

How many IP addresses does CENIC own?

CENIC controls 1.94M IPv4 addresses distributed across 392 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 countries does CENIC serve?

CENIC has IP address allocations in 3 countries, indicating a multinational network presence for delivering services across these regions.

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: 2026-09-10 11:09:05 UTC
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