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Organization

U.S. Department of Energy

IPv4 addresses
234,240
CIDR ranges
40
Category
government
BGP prefixes announced
44

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.

73/100
Moderate
How this score is built

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

Countries served by U.S. Department of Energy

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

ASNs owned by U.S. Department of Energy

ASNNameIPsPrefixesCountry
AS32982 U.S. Department of Energy 230.7K 29 US
AS46846 U.S. Department of Energy 3.3K 10 US
AS11678 U.S. Department of Energy 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
132.172.0.0/16 65.5K
0.1%
AS32982 US
146.138.0.0/16 65.5K
0.1%
AS32982 US
159.64.0.0/16 65.5K
0.0%
AS32982 US
199.75.128.0/19 8.2K
0.0%
AS32982 US
204.140.32.0/19 8.2K
0.0%
AS32982 US
205.254.128.0/19 8.2K
10.4%
AS32982 US Colorado Grand Junction
198.76.0.0/21 2.0K
0.0%
AS32982 US
192.208.24.0/22 1.0K
4.3%
AS32982 US
192.84.216.0/23 512
0.2%
AS32982 US
192.147.242.0/23 512
0.0%
AS32982 US
192.208.18.0/23 512
1.6%
AS32982 US
192.208.20.0/23 512
21.9%
AS46846 US
198.51.238.0/23 512
4.7%
AS46846 US
198.76.8.0/23 512
0.0%
AS32982 US
204.154.136.0/23 512
0.0%
AS32982 US
205.167.106.0/23 512
12.5%
AS46846 US
65.155.113.0/24 256
0.0%
AS46846 US
65.199.24.0/24 256
0.0%
AS32982 US
192.12.95.0/24 256
0.0%
AS32982 US
192.48.238.0/24 256
0.4%
AS32982 US District of Columbia Washington
192.74.216.0/24 256
0.0%
AS32982 US
192.83.111.0/24 256
0.0%
AS32982 US
192.83.251.0/24 256
0.0%
AS32982 US
192.100.51.0/24 256
7.0%
AS11678 US Nevada Las Vegas
192.147.242.0/24 256
0.0%
AS32982 US
192.147.243.0/24 256
0.4%
AS46846 US
192.206.135.0/24 256
0.0%
AS32982 US
192.208.28.0/24 256
8.6%
AS46846 US
192.245.237.0/24 256
0.0%
AS32982 US
198.99.247.0/24 256
0.0%
AS32982 US
198.99.249.0/24 256
0.0%
AS46846 US
198.147.246.0/24 256
0.0%
AS46846 US
198.179.181.0/24 256
0.4%
AS46846 US
198.207.237.0/24 256
0.0%
AS32982 US
198.207.239.0/24 256
0.0%
AS32982 US
198.207.240.0/24 256
0.0%
AS32982 US
199.201.156.0/24 256
0.0%
AS32982 US
199.249.243.0/24 256
0.0%
AS32982 US
204.154.139.0/24 256
0.0%
AS32982 US
204.154.140.0/24 256
0.0%
AS32982 US
206.197.198.0/24 256
7.8%
AS46846 US New Mexico Rio Rancho

Frequently Asked Questions

How many IP addresses does U.S. Department of Energy own?

U.S. Department of Energy controls 234.2K IPv4 addresses distributed across 40 CIDR ranges. The organization is registered in United States.

What ASNs does U.S. Department of Energy operate?

U.S. Department of Energy operates 3 Autonomous Systems. Each ASN represents an independently routed network that U.S. Department of Energy manages for internet traffic delivery.

What type of organization is U.S. Department of Energy?

U.S. Department of Energy is categorized as government. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-25 06:25:32 UTC
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