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Organization

CENIC

IPv4 addresses
1,880,064
CIDR ranges
376
Category
enterprise
BGP prefixes announced
777

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 v1.3.0 — 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.

Countries served by CENIC

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

ASNs owned by CENIC

ASNNameIPsPrefixesCountry
AS2152 CENIC 1.88M 366 US
AS2153 CENIC 3.3K 10 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
137.150.0.0/15 131.1K
2.8%
AS2152 US California Fullerton
130.65.0.0/16 65.5K
6.6%
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
0.4%
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
37.7%
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
0.0%
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
13.3%
AS2152 US California Rancho Cucamonga
144.37.0.0/16 65.5K
0.3%
AS2152 US California Oceanside
146.244.0.0/16 65.5K
0.8%
AS2152 US California Imperial
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 El Cajon
165.196.0.0/16 65.5K
1.0%
AS2152 US California Sacramento
198.189.0.0/16 65.5K
7.1%
AS2152 US California Bakersfield
130.191.128.0/17 32.8K
3.2%
AS2152 US California La Mesa
130.212.128.0/17 32.8K
27.4%
AS2152 US California Oakland
136.168.0.0/17 32.8K
42.4%
AS2152 US California Bakersfield
137.150.0.0/17 32.8K
0.9%
AS2152 US California Arcata
137.164.128.0/17 32.8K
2.3%
AS2152 US California Alturas
139.182.128.0/17 32.8K
18.8%
AS2152 US California San Bernardino
198.188.128.0/17 32.8K
1.1%
AS2152 US California Los Angeles
198.189.0.0/17 32.8K
2.7%
AS2152 US California Bakersfield
205.155.128.0/17 32.8K
11.9%
AS2152 US California Fairfield
207.62.128.0/17 32.8K
4.3%
AS2152 US California San Bruno
207.233.0.0/17 32.8K
1.7%
AS2152 US California Hemet
209.188.128.0/17 32.8K
0.0%
AS2152 US California San Mateo
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
49.5%
AS2152 US California San Francisco
136.168.128.0/18 16.4K
4.7%
AS2152 US California Bakersfield
137.150.192.0/18 16.4K
0.1%
AS2152 US California Arcata
139.182.0.0/18 16.4K
4.1%
AS2152 US California Rialto
198.188.64.0/18 16.4K
0.3%
AS2152 US California Los Angeles
204.102.64.0/18 16.4K
4.9%
AS2152 US California San Francisco
204.102.128.0/18 16.4K
0.6%
AS2152 US California Glendale
205.155.0.0/18 16.4K
41.4%
AS2152 US California Watsonville
205.155.128.0/18 16.4K
20.3%
AS2152 US California Fairfield
207.62.192.0/18 16.4K
6.1%
AS2152 US California Gilroy
209.129.64.0/18 16.4K
5.0%
AS2152 US California Larkspur
209.129.128.0/18 16.4K
6.6%
AS2152 US California Los Gatos
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
5.7%
AS2152 US California San Diego
130.191.64.0/19 8.2K
1.9%
AS2152 US California Spring Valley
130.212.64.0/19 8.2K
51.9%
AS2152 US California San Francisco
136.168.192.0/19 8.2K
11.6%
AS2152 US — —
137.150.160.0/19 8.2K
0.1%
AS2152 US California Oakley
137.164.0.0/19 8.2K
46.1%
AS2152 US California Pala
137.164.96.0/19 8.2K
0.4%
AS2152 US California Crescent City
137.164.160.0/19 8.2K
0.3%
AS2152 US California Truckee
139.182.64.0/19 8.2K
1.2%
AS2152 US California Redlands
198.188.0.0/19 8.2K
6.3%
AS2152 US California Glendale
198.188.96.0/19 8.2K
0.6%
AS2152 US California South Gate
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 Los Angeles
205.154.160.0/19 8.2K
2.8%
AS2152 US California Culver City
205.154.192.0/19 8.2K
3.5%
AS2152 US California Palm Desert
205.155.96.0/19 8.2K
0.3%
AS2152 US — —
205.155.192.0/19 8.2K
0.1%
AS2152 US California Oroville
206.224.224.0/19 8.2K
0.5%
AS2152 US California Anaheim
207.62.32.0/19 8.2K
0.0%
AS2152 US California Modesto
207.233.0.0/19 8.2K
0.8%
AS2152 US California Hemet
207.233.64.0/19 8.2K
2.4%
AS2152 US California Long Beach
209.129.32.0/19 8.2K
24.7%
AS2152 US California Vista
209.129.192.0/19 8.2K
0.4%
AS2152 US California Berkeley
64.39.112.0/20 4.1K
0.0%
AS2152 US California Willits
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
4.7%
AS2152 US — —
130.191.112.0/20 4.1K
3.1%
AS2152 US — —
130.212.96.0/20 4.1K
4.2%
AS2152 US — —
136.168.224.0/20 4.1K
2.2%
AS2152 US — —
137.150.144.0/20 4.1K
12.5%
AS2152 US — —
137.164.0.0/20 4.1K
55.8%
AS2152 US Nevada Sparks
137.164.32.0/20 4.1K
41.0%
AS2152 US California Palm Desert
137.164.64.0/20 4.1K
0.2%
AS2152 US California San Rafael
137.164.96.0/20 4.1K
0.7%
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
0.4%
AS2152 US California Tuolumne
137.164.240.0/20 4.1K
3.3%
AS2152 US California Vallecito
139.182.112.0/20 4.1K
12.4%
AS2152 US California Fontana
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
0.2%
AS2152 US California Los Angeles
198.189.144.0/20 4.1K
20.0%
AS2152 US California Ukiah
198.189.160.0/20 4.1K
0.7%
AS2152 US — —
204.102.16.0/20 4.1K
0.0%
AS2152 US — —
204.102.32.0/20 4.1K
6.1%
AS2152 US California Fullerton
204.102.96.0/20 4.1K
6.1%
AS2152 US — —
204.102.208.0/20 4.1K
0.0%
AS2152 US California Glendale
204.102.240.0/20 4.1K
5.8%
AS2152 US California Sylmar
205.154.48.0/20 4.1K
6.4%
AS2152 US — —
205.154.224.0/20 4.1K
51.0%
AS2152 US California Pomona

Frequently Asked Questions

How many IP addresses does CENIC own?

CENIC controls 1.88M IPv4 addresses distributed across 376 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: 2026-10-29 13:39:05 UTC
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