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Organization

University Corporation for Atmospheric Research

IPv4 addresses
285,440
CIDR ranges
22
Category
academic
BGP prefixes announced
17

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.

71/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About University Corporation for Atmospheric Research

The University Corporation for Atmospheric Research (UCAR) is a US nonprofit consortium of more than 100 colleges and universities providing research and training in the atmospheric and related sciences. UCAR manages the National Center for Atmospheric Research (NCAR) and provides additional services to strengthen and support research and education through its community programs.

Operates 1 network present at 2 internet exchanges with a open peering policy.

University Corporation for Atmospheric Research — global IP footprint

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

Countries served by University Corporation for Atmospheric Research

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

ASNs owned by University Corporation for Atmospheric Research

ASNNameIPsPrefixesCountry
AS14041 University Corporation for Atmospheric Research 153.6K 17 US
AS194 University Corporation for Atmospheric Research 66.3K 4 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
128.117.0.0/16 65.5K
11.8%
AS194 US Colorado Boulder
130.253.0.0/16 65.5K
0.1%
AS14041 US Colorado Denver
147.153.0.0/16 65.5K
0.2%
AS402584 US Colorado Denver
161.98.0.0/16 65.5K
0.9%
AS14041 US Colorado Boulder
129.19.64.0/18 16.4K
0.0%
AS14041 US Colorado Denver
129.19.32.0/19 8.2K
0.0%
AS14041 US Colorado Fort Collins
129.19.16.0/20 4.1K
0.0%
AS14041 US Colorado Fort Collins
129.19.8.0/21 2.0K
0.0%
AS14041 US
129.19.0.0/22 1.0K
0.0%
AS14041 US
129.19.148.0/22 1.0K
0.0%
AS14041 US
129.19.156.0/22 1.0K
0.0%
AS14041 US
129.19.164.0/22 1.0K
0.4%
AS14041 US
129.19.168.0/22 1.0K
0.0%
AS14041 US
129.19.4.0/23 512
0.0%
AS14041 US
129.19.148.0/23 512
0.0%
AS14041 US
129.19.152.0/23 512
0.0%
AS14041 US Colorado Boulder
129.19.158.0/23 512
0.0%
AS14041 US
129.19.160.0/23 512
0.0%
AS14041 US
129.19.172.0/23 512
0.0%
AS14041 US
129.19.7.0/24 256
0.0%
AS14041 US
129.19.147.0/24 256
0.0%
AS14041 US
129.19.150.0/24 256
0.0%
AS14041 US
129.19.153.0/24 256
0.0%
AS14041 US Colorado Boulder
129.19.155.0/24 256
0.0%
AS14041 US
129.19.156.0/24 256
0.0%
AS194 US
129.19.157.0/24 256
0.0%
AS14041 US
129.19.162.0/24 256
0.0%
AS14041 US
129.19.175.0/24 256
0.0%
AS14041 US
192.43.217.0/24 256
10.2%
AS14041 US
192.43.244.0/24 256
8.6%
AS194 US
192.52.106.0/24 256
0.0%
AS194 US
198.59.2.0/24 256
0.0%
AS14041 US

Frequently Asked Questions

How many IP addresses does University Corporation for Atmospheric Research own?

University Corporation for Atmospheric Research controls 285.4K IPv4 addresses distributed across 22 CIDR ranges. The organization is registered in United States.

What ASNs does University Corporation for Atmospheric Research operate?

University Corporation for Atmospheric Research operates 2 Autonomous Systems. Each ASN represents an independently routed network that University Corporation for Atmospheric Research manages for internet traffic delivery.

What type of organization is University Corporation for Atmospheric Research?

University Corporation for Atmospheric Research is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-29 11:55:31 UTC
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